Home / 28,134.14-42,152.50-14,787.26

Finding the Fourth Proportional to 28,134.14, 42,152.50 and 14,787.26

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Solution

The fourth proportional to 28,134.14, 42,152.50 and 14,787.26 is: 22,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.14 : 42,152.50 = 14,787.26 : x
  2. Step 2: Convert to fraction form
    28,134.14/42,152.50 = 14,787.26/x
  3. Step 3: Cross multiply
    28,134.14x = 42,152.50 × 14,787.26
  4. Step 4: Simplify right side
    28,134.14x = 623,319,942.94
  5. Step 5: Solve for x
    x = 623,319,942.94/28,134.14
  6. Step 6: Final answer
    x = 22,155.29

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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.