Home / 26,335.42-36,342.84-15,731.26

Finding the Fourth Proportional to 26,335.42, 36,342.84 and 15,731.26

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Solution

The fourth proportional to 26,335.42, 36,342.84 and 15,731.26 is: 21,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335.42 : 36,342.84 = 15,731.26 : x
  2. Step 2: Convert to fraction form
    26,335.42/36,342.84 = 15,731.26/x
  3. Step 3: Cross multiply
    26,335.42x = 36,342.84 × 15,731.26
  4. Step 4: Simplify right side
    26,335.42x = 571,718,665.18
  5. Step 5: Solve for x
    x = 571,718,665.18/26,335.42
  6. Step 6: Final answer
    x = 21,709.12

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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.