Home / 26,560.55-36,655.69-15,231.09

Finding the Fourth Proportional to 26,560.55, 36,655.69 and 15,231.09

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Solution

The fourth proportional to 26,560.55, 36,655.69 and 15,231.09 is: 21,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.55 : 36,655.69 = 15,231.09 : x
  2. Step 2: Convert to fraction form
    26,560.55/36,655.69 = 15,231.09/x
  3. Step 3: Cross multiply
    26,560.55x = 36,655.69 × 15,231.09
  4. Step 4: Simplify right side
    26,560.55x = 558,306,113.40
  5. Step 5: Solve for x
    x = 558,306,113.40/26,560.55
  6. Step 6: Final answer
    x = 21,020.13

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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.