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Finding the Fourth Proportional to 17,376.79, 26,065.18 and 15,029.82

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Solution

The fourth proportional to 17,376.79, 26,065.18 and 15,029.82 is: 22,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.79 : 26,065.18 = 15,029.82 : x
  2. Step 2: Convert to fraction form
    17,376.79/26,065.18 = 15,029.82/x
  3. Step 3: Cross multiply
    17,376.79x = 26,065.18 × 15,029.82
  4. Step 4: Simplify right side
    17,376.79x = 391,754,828.35
  5. Step 5: Solve for x
    x = 391,754,828.35/17,376.79
  6. Step 6: Final answer
    x = 22,544.72

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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.