Home / 28,373.14-42,502.19-13,154.33

Finding the Fourth Proportional to 28,373.14, 42,502.19 and 13,154.33

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Solution

The fourth proportional to 28,373.14, 42,502.19 and 13,154.33 is: 19,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.14 : 42,502.19 = 13,154.33 : x
  2. Step 2: Convert to fraction form
    28,373.14/42,502.19 = 13,154.33/x
  3. Step 3: Cross multiply
    28,373.14x = 42,502.19 × 13,154.33
  4. Step 4: Simplify right side
    28,373.14x = 559,087,984.46
  5. Step 5: Solve for x
    x = 559,087,984.46/28,373.14
  6. Step 6: Final answer
    x = 19,704.83

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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.