Home / 28,593.02-39,455.19-15,842.81

Finding the Fourth Proportional to 28,593.02, 39,455.19 and 15,842.81

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Solution

The fourth proportional to 28,593.02, 39,455.19 and 15,842.81 is: 21,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.02 : 39,455.19 = 15,842.81 : x
  2. Step 2: Convert to fraction form
    28,593.02/39,455.19 = 15,842.81/x
  3. Step 3: Cross multiply
    28,593.02x = 39,455.19 × 15,842.81
  4. Step 4: Simplify right side
    28,593.02x = 625,081,177.32
  5. Step 5: Solve for x
    x = 625,081,177.32/28,593.02
  6. Step 6: Final answer
    x = 21,861.32

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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.