Home / 26,948.43-40,422.65-12,521.25

Finding the Fourth Proportional to 26,948.43, 40,422.65 and 12,521.25

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Solution

The fourth proportional to 26,948.43, 40,422.65 and 12,521.25 is: 18,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948.43 : 40,422.65 = 12,521.25 : x
  2. Step 2: Convert to fraction form
    26,948.43/40,422.65 = 12,521.25/x
  3. Step 3: Cross multiply
    26,948.43x = 40,422.65 × 12,521.25
  4. Step 4: Simplify right side
    26,948.43x = 506,142,043.71
  5. Step 5: Solve for x
    x = 506,142,043.71/26,948.43
  6. Step 6: Final answer
    x = 18,781.88

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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.