Home / 28,294.26-42,448.61-13,298.48

Finding the Fourth Proportional to 28,294.26, 42,448.61 and 13,298.48

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Solution

The fourth proportional to 28,294.26, 42,448.61 and 13,298.48 is: 19,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.26 : 42,448.61 = 13,298.48 : x
  2. Step 2: Convert to fraction form
    28,294.26/42,448.61 = 13,298.48/x
  3. Step 3: Cross multiply
    28,294.26x = 42,448.61 × 13,298.48
  4. Step 4: Simplify right side
    28,294.26x = 564,501,712.38
  5. Step 5: Solve for x
    x = 564,501,712.38/28,294.26
  6. Step 6: Final answer
    x = 19,951.10

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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.