Home / 26,341.52-36,351.88-15,729.18

Finding the Fourth Proportional to 26,341.52, 36,351.88 and 15,729.18

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Solution

The fourth proportional to 26,341.52, 36,351.88 and 15,729.18 is: 21,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,341.52 : 36,351.88 = 15,729.18 : x
  2. Step 2: Convert to fraction form
    26,341.52/36,351.88 = 15,729.18/x
  3. Step 3: Cross multiply
    26,341.52x = 36,351.88 × 15,729.18
  4. Step 4: Simplify right side
    26,341.52x = 571,785,263.86
  5. Step 5: Solve for x
    x = 571,785,263.86/26,341.52
  6. Step 6: Final answer
    x = 21,706.62

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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.