Home / 28,777.10-43,165.65-9,061.70

Finding the Fourth Proportional to 28,777.10, 43,165.65 and 9,061.70

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Solution

The fourth proportional to 28,777.10, 43,165.65 and 9,061.70 is: 13,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.10 : 43,165.65 = 9,061.70 : x
  2. Step 2: Convert to fraction form
    28,777.10/43,165.65 = 9,061.70/x
  3. Step 3: Cross multiply
    28,777.10x = 43,165.65 × 9,061.70
  4. Step 4: Simplify right side
    28,777.10x = 391,154,170.61
  5. Step 5: Solve for x
    x = 391,154,170.61/28,777.10
  6. Step 6: Final answer
    x = 13,592.55

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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.