Home / 28,901.82-39,856.23-17,572.86

Finding the Fourth Proportional to 28,901.82, 39,856.23 and 17,572.86

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Solution

The fourth proportional to 28,901.82, 39,856.23 and 17,572.86 is: 24,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.82 : 39,856.23 = 17,572.86 : x
  2. Step 2: Convert to fraction form
    28,901.82/39,856.23 = 17,572.86/x
  3. Step 3: Cross multiply
    28,901.82x = 39,856.23 × 17,572.86
  4. Step 4: Simplify right side
    28,901.82x = 700,387,949.92
  5. Step 5: Solve for x
    x = 700,387,949.92/28,901.82
  6. Step 6: Final answer
    x = 24,233.35

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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.