Home / 28,909.77-39,885.51-17,575.71

Finding the Fourth Proportional to 28,909.77, 39,885.51 and 17,575.71

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Solution

The fourth proportional to 28,909.77, 39,885.51 and 17,575.71 is: 24,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.77 : 39,885.51 = 17,575.71 : x
  2. Step 2: Convert to fraction form
    28,909.77/39,885.51 = 17,575.71/x
  3. Step 3: Cross multiply
    28,909.77x = 39,885.51 × 17,575.71
  4. Step 4: Simplify right side
    28,909.77x = 701,016,156.96
  5. Step 5: Solve for x
    x = 701,016,156.96/28,909.77
  6. Step 6: Final answer
    x = 24,248.42

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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.