Home / 26,140.80-36,072.08-15,532.96

Finding the Fourth Proportional to 26,140.80, 36,072.08 and 15,532.96

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Solution

The fourth proportional to 26,140.80, 36,072.08 and 15,532.96 is: 21,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.80 : 36,072.08 = 15,532.96 : x
  2. Step 2: Convert to fraction form
    26,140.80/36,072.08 = 15,532.96/x
  3. Step 3: Cross multiply
    26,140.80x = 36,072.08 × 15,532.96
  4. Step 4: Simplify right side
    26,140.80x = 560,306,175.76
  5. Step 5: Solve for x
    x = 560,306,175.76/26,140.80
  6. Step 6: Final answer
    x = 21,434.16

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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.