Home / 28,184.85-38,901.49-17,572.43

Finding the Fourth Proportional to 28,184.85, 38,901.49 and 17,572.43

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Solution

The fourth proportional to 28,184.85, 38,901.49 and 17,572.43 is: 24,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.85 : 38,901.49 = 17,572.43 : x
  2. Step 2: Convert to fraction form
    28,184.85/38,901.49 = 17,572.43/x
  3. Step 3: Cross multiply
    28,184.85x = 38,901.49 × 17,572.43
  4. Step 4: Simplify right side
    28,184.85x = 683,593,763.24
  5. Step 5: Solve for x
    x = 683,593,763.24/28,184.85
  6. Step 6: Final answer
    x = 24,253.94

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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.