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Finding the Fourth Proportional to 15,417, 23,125.86 and 5,028.72

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Solution

The fourth proportional to 15,417, 23,125.86 and 5,028.72 is: 7,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417 : 23,125.86 = 5,028.72 : x
  2. Step 2: Convert to fraction form
    15,417/23,125.86 = 5,028.72/x
  3. Step 3: Cross multiply
    15,417x = 23,125.86 × 5,028.72
  4. Step 4: Simplify right side
    15,417x = 116,293,474.70
  5. Step 5: Solve for x
    x = 116,293,474.70/15,417
  6. Step 6: Final answer
    x = 7,543.20

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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.