Home / 28,488.28-39,311.17-16,551.45

Finding the Fourth Proportional to 28,488.28, 39,311.17 and 16,551.45

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Solution

The fourth proportional to 28,488.28, 39,311.17 and 16,551.45 is: 22,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488.28 : 39,311.17 = 16,551.45 : x
  2. Step 2: Convert to fraction form
    28,488.28/39,311.17 = 16,551.45/x
  3. Step 3: Cross multiply
    28,488.28x = 39,311.17 × 16,551.45
  4. Step 4: Simplify right side
    28,488.28x = 650,656,864.70
  5. Step 5: Solve for x
    x = 650,656,864.70/28,488.28
  6. Step 6: Final answer
    x = 22,839.46

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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.