Home / 26,591.49-36,701.51-15,268.75

Finding the Fourth Proportional to 26,591.49, 36,701.51 and 15,268.75

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Solution

The fourth proportional to 26,591.49, 36,701.51 and 15,268.75 is: 21,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.49 : 36,701.51 = 15,268.75 : x
  2. Step 2: Convert to fraction form
    26,591.49/36,701.51 = 15,268.75/x
  3. Step 3: Cross multiply
    26,591.49x = 36,701.51 × 15,268.75
  4. Step 4: Simplify right side
    26,591.49x = 560,386,219.16
  5. Step 5: Solve for x
    x = 560,386,219.16/26,591.49
  6. Step 6: Final answer
    x = 21,073.89

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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.