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Finding the Fourth Proportional to 26,908, 37,133.04 and 15,732.16

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Solution

The fourth proportional to 26,908, 37,133.04 and 15,732.16 is: 21,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908 : 37,133.04 = 15,732.16 : x
  2. Step 2: Convert to fraction form
    26,908/37,133.04 = 15,732.16/x
  3. Step 3: Cross multiply
    26,908x = 37,133.04 × 15,732.16
  4. Step 4: Simplify right side
    26,908x = 584,182,926.57
  5. Step 5: Solve for x
    x = 584,182,926.57/26,908
  6. Step 6: Final answer
    x = 21,710.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.