Home / 28,682.47-39,593.10-18,070.12

Finding the Fourth Proportional to 28,682.47, 39,593.10 and 18,070.12

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Solution

The fourth proportional to 28,682.47, 39,593.10 and 18,070.12 is: 24,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.47 : 39,593.10 = 18,070.12 : x
  2. Step 2: Convert to fraction form
    28,682.47/39,593.10 = 18,070.12/x
  3. Step 3: Cross multiply
    28,682.47x = 39,593.10 × 18,070.12
  4. Step 4: Simplify right side
    28,682.47x = 715,452,068.17
  5. Step 5: Solve for x
    x = 715,452,068.17/28,682.47
  6. Step 6: Final answer
    x = 24,943.88

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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.