Home / 24,086.80-36,045.15-21,000.70

Finding the Fourth Proportional to 24,086.80, 36,045.15 and 21,000.70

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Solution

The fourth proportional to 24,086.80, 36,045.15 and 21,000.70 is: 31,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,086.80 : 36,045.15 = 21,000.70 : x
  2. Step 2: Convert to fraction form
    24,086.80/36,045.15 = 21,000.70/x
  3. Step 3: Cross multiply
    24,086.80x = 36,045.15 × 21,000.70
  4. Step 4: Simplify right side
    24,086.80x = 756,973,381.61
  5. Step 5: Solve for x
    x = 756,973,381.61/24,086.80
  6. Step 6: Final answer
    x = 31,426.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.