Home / 26,756.28-36,921.96-15,425.19

Finding the Fourth Proportional to 26,756.28, 36,921.96 and 15,425.19

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Solution

The fourth proportional to 26,756.28, 36,921.96 and 15,425.19 is: 21,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.28 : 36,921.96 = 15,425.19 : x
  2. Step 2: Convert to fraction form
    26,756.28/36,921.96 = 15,425.19/x
  3. Step 3: Cross multiply
    26,756.28x = 36,921.96 × 15,425.19
  4. Step 4: Simplify right side
    26,756.28x = 569,528,248.17
  5. Step 5: Solve for x
    x = 569,528,248.17/26,756.28
  6. Step 6: Final answer
    x = 21,285.78

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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.