Home / 28,345.26-39,119.60-15,599.49

Finding the Fourth Proportional to 28,345.26, 39,119.60 and 15,599.49

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Solution

The fourth proportional to 28,345.26, 39,119.60 and 15,599.49 is: 21,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.26 : 39,119.60 = 15,599.49 : x
  2. Step 2: Convert to fraction form
    28,345.26/39,119.60 = 15,599.49/x
  3. Step 3: Cross multiply
    28,345.26x = 39,119.60 × 15,599.49
  4. Step 4: Simplify right side
    28,345.26x = 610,245,731.01
  5. Step 5: Solve for x
    x = 610,245,731.01/28,345.26
  6. Step 6: Final answer
    x = 21,529.02

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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.