Home / 52,326.85-78,490.28-17,264.65

Finding the Fourth Proportional to 52,326.85, 78,490.28 and 17,264.65

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Solution

The fourth proportional to 52,326.85, 78,490.28 and 17,264.65 is: 25,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,326.85 : 78,490.28 = 17,264.65 : x
  2. Step 2: Convert to fraction form
    52,326.85/78,490.28 = 17,264.65/x
  3. Step 3: Cross multiply
    52,326.85x = 78,490.28 × 17,264.65
  4. Step 4: Simplify right side
    52,326.85x = 1,355,107,126.28
  5. Step 5: Solve for x
    x = 1,355,107,126.28/52,326.85
  6. Step 6: Final answer
    x = 25,896.98

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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.