Home / 28,151.17-42,239.00-17,645.27

Finding the Fourth Proportional to 28,151.17, 42,239.00 and 17,645.27

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Solution

The fourth proportional to 28,151.17, 42,239.00 and 17,645.27 is: 26,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151.17 : 42,239.00 = 17,645.27 : x
  2. Step 2: Convert to fraction form
    28,151.17/42,239.00 = 17,645.27/x
  3. Step 3: Cross multiply
    28,151.17x = 42,239.00 × 17,645.27
  4. Step 4: Simplify right side
    28,151.17x = 745,318,392.45
  5. Step 5: Solve for x
    x = 745,318,392.45/28,151.17
  6. Step 6: Final answer
    x = 26,475.58

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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.