Home / 28,397.08-42,595.26-9,672.04

Finding the Fourth Proportional to 28,397.08, 42,595.26 and 9,672.04

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Solution

The fourth proportional to 28,397.08, 42,595.26 and 9,672.04 is: 14,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.08 : 42,595.26 = 9,672.04 : x
  2. Step 2: Convert to fraction form
    28,397.08/42,595.26 = 9,672.04/x
  3. Step 3: Cross multiply
    28,397.08x = 42,595.26 × 9,672.04
  4. Step 4: Simplify right side
    28,397.08x = 411,983,058.53
  5. Step 5: Solve for x
    x = 411,983,058.53/28,397.08
  6. Step 6: Final answer
    x = 14,507.94

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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.