Home / 26,132.64-36,061.56-15,515.52

Finding the Fourth Proportional to 26,132.64, 36,061.56 and 15,515.52

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Solution

The fourth proportional to 26,132.64, 36,061.56 and 15,515.52 is: 21,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.64 : 36,061.56 = 15,515.52 : x
  2. Step 2: Convert to fraction form
    26,132.64/36,061.56 = 15,515.52/x
  3. Step 3: Cross multiply
    26,132.64x = 36,061.56 × 15,515.52
  4. Step 4: Simplify right side
    26,132.64x = 559,513,855.41
  5. Step 5: Solve for x
    x = 559,513,855.41/26,132.64
  6. Step 6: Final answer
    x = 21,410.54

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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.