Home / 39,708.64-54,781.44-26,286.40

Finding the Fourth Proportional to 39,708.64, 54,781.44 and 26,286.40

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Solution

The fourth proportional to 39,708.64, 54,781.44 and 26,286.40 is: 36,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.64 : 54,781.44 = 26,286.40 : x
  2. Step 2: Convert to fraction form
    39,708.64/54,781.44 = 26,286.40/x
  3. Step 3: Cross multiply
    39,708.64x = 54,781.44 × 26,286.40
  4. Step 4: Simplify right side
    39,708.64x = 1,440,006,844.42
  5. Step 5: Solve for x
    x = 1,440,006,844.42/39,708.64
  6. Step 6: Final answer
    x = 36,264.32

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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.