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Finding the Fourth Proportional to 25,702.21, 38,553.58 and 9,059.14

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Solution

The fourth proportional to 25,702.21, 38,553.58 and 9,059.14 is: 13,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.21 : 38,553.58 = 9,059.14 : x
  2. Step 2: Convert to fraction form
    25,702.21/38,553.58 = 9,059.14/x
  3. Step 3: Cross multiply
    25,702.21x = 38,553.58 × 9,059.14
  4. Step 4: Simplify right side
    25,702.21x = 349,262,085.95
  5. Step 5: Solve for x
    x = 349,262,085.95/25,702.21
  6. Step 6: Final answer
    x = 13,588.80

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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.