Home / 28,345.04-39,116.24-15,598.25

Finding the Fourth Proportional to 28,345.04, 39,116.24 and 15,598.25

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Solution

The fourth proportional to 28,345.04, 39,116.24 and 15,598.25 is: 21,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.04 : 39,116.24 = 15,598.25 : x
  2. Step 2: Convert to fraction form
    28,345.04/39,116.24 = 15,598.25/x
  3. Step 3: Cross multiply
    28,345.04x = 39,116.24 × 15,598.25
  4. Step 4: Simplify right side
    28,345.04x = 610,144,756.04
  5. Step 5: Solve for x
    x = 610,144,756.04/28,345.04
  6. Step 6: Final answer
    x = 21,525.63

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Double scale
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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.