Home / 26,577.64-39,831.66-13,422.88

Finding the Fourth Proportional to 26,577.64, 39,831.66 and 13,422.88

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Solution

The fourth proportional to 26,577.64, 39,831.66 and 13,422.88 is: 20,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,577.64 : 39,831.66 = 13,422.88 : x
  2. Step 2: Convert to fraction form
    26,577.64/39,831.66 = 13,422.88/x
  3. Step 3: Cross multiply
    26,577.64x = 39,831.66 × 13,422.88
  4. Step 4: Simplify right side
    26,577.64x = 534,655,592.38
  5. Step 5: Solve for x
    x = 534,655,592.38/26,577.64
  6. Step 6: Final answer
    x = 20,116.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.