Home / 28,557.59-42,838.38-8,833.55

Finding the Fourth Proportional to 28,557.59, 42,838.38 and 8,833.55

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Solution

The fourth proportional to 28,557.59, 42,838.38 and 8,833.55 is: 13,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.59 : 42,838.38 = 8,833.55 : x
  2. Step 2: Convert to fraction form
    28,557.59/42,838.38 = 8,833.55/x
  3. Step 3: Cross multiply
    28,557.59x = 42,838.38 × 8,833.55
  4. Step 4: Simplify right side
    28,557.59x = 378,414,757.46
  5. Step 5: Solve for x
    x = 378,414,757.46/28,557.59
  6. Step 6: Final answer
    x = 13,250.94

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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.