Home / 26,438.12-36,472.02-15,825.70

Finding the Fourth Proportional to 26,438.12, 36,472.02 and 15,825.70

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Solution

The fourth proportional to 26,438.12, 36,472.02 and 15,825.70 is: 21,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.12 : 36,472.02 = 15,825.70 : x
  2. Step 2: Convert to fraction form
    26,438.12/36,472.02 = 15,825.70/x
  3. Step 3: Cross multiply
    26,438.12x = 36,472.02 × 15,825.70
  4. Step 4: Simplify right side
    26,438.12x = 577,195,064.55
  5. Step 5: Solve for x
    x = 577,195,064.55/26,438.12
  6. Step 6: Final answer
    x = 21,831.93

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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.