Home / 28,499.48-39,329.20-15,924.24

Finding the Fourth Proportional to 28,499.48, 39,329.20 and 15,924.24

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Solution

The fourth proportional to 28,499.48, 39,329.20 and 15,924.24 is: 21,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,499.48 : 39,329.20 = 15,924.24 : x
  2. Step 2: Convert to fraction form
    28,499.48/39,329.20 = 15,924.24/x
  3. Step 3: Cross multiply
    28,499.48x = 39,329.20 × 15,924.24
  4. Step 4: Simplify right side
    28,499.48x = 626,287,619.81
  5. Step 5: Solve for x
    x = 626,287,619.81/28,499.48
  6. Step 6: Final answer
    x = 21,975.41

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.