Home / 26,158.16-36,103.08-15,554

Finding the Fourth Proportional to 26,158.16, 36,103.08 and 15,554

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Solution

The fourth proportional to 26,158.16, 36,103.08 and 15,554 is: 21,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,158.16 : 36,103.08 = 15,554 : x
  2. Step 2: Convert to fraction form
    26,158.16/36,103.08 = 15,554/x
  3. Step 3: Cross multiply
    26,158.16x = 36,103.08 × 15,554
  4. Step 4: Simplify right side
    26,158.16x = 561,547,306.32
  5. Step 5: Solve for x
    x = 561,547,306.32/26,158.16
  6. Step 6: Final answer
    x = 21,467.39

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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.