Home / 28,557.56-42,838.40-8,833.59

Finding the Fourth Proportional to 28,557.56, 42,838.40 and 8,833.59

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Solution

The fourth proportional to 28,557.56, 42,838.40 and 8,833.59 is: 13,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.56 : 42,838.40 = 8,833.59 : x
  2. Step 2: Convert to fraction form
    28,557.56/42,838.40 = 8,833.59/x
  3. Step 3: Cross multiply
    28,557.56x = 42,838.40 × 8,833.59
  4. Step 4: Simplify right side
    28,557.56x = 378,416,883.94
  5. Step 5: Solve for x
    x = 378,416,883.94/28,557.56
  6. Step 6: Final answer
    x = 13,251.02

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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.