Home / 26,693.24-36,837.12-15,515.24

Finding the Fourth Proportional to 26,693.24, 36,837.12 and 15,515.24

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Solution

The fourth proportional to 26,693.24, 36,837.12 and 15,515.24 is: 21,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.24 : 36,837.12 = 15,515.24 : x
  2. Step 2: Convert to fraction form
    26,693.24/36,837.12 = 15,515.24/x
  3. Step 3: Cross multiply
    26,693.24x = 36,837.12 × 15,515.24
  4. Step 4: Simplify right side
    26,693.24x = 571,536,757.71
  5. Step 5: Solve for x
    x = 571,536,757.71/26,693.24
  6. Step 6: Final answer
    x = 21,411.29

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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.