Home / 28,061.52-42,094.13-9,340.80

Finding the Fourth Proportional to 28,061.52, 42,094.13 and 9,340.80

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Solution

The fourth proportional to 28,061.52, 42,094.13 and 9,340.80 is: 14,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.52 : 42,094.13 = 9,340.80 : x
  2. Step 2: Convert to fraction form
    28,061.52/42,094.13 = 9,340.80/x
  3. Step 3: Cross multiply
    28,061.52x = 42,094.13 × 9,340.80
  4. Step 4: Simplify right side
    28,061.52x = 393,192,849.50
  5. Step 5: Solve for x
    x = 393,192,849.50/28,061.52
  6. Step 6: Final answer
    x = 14,011.82

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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.