Home / 19,523.20-26,942.15-10,570.78

Finding the Fourth Proportional to 19,523.20, 26,942.15 and 10,570.78

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Solution

The fourth proportional to 19,523.20, 26,942.15 and 10,570.78 is: 14,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,523.20 : 26,942.15 = 10,570.78 : x
  2. Step 2: Convert to fraction form
    19,523.20/26,942.15 = 10,570.78/x
  3. Step 3: Cross multiply
    19,523.20x = 26,942.15 × 10,570.78
  4. Step 4: Simplify right side
    19,523.20x = 284,799,540.38
  5. Step 5: Solve for x
    x = 284,799,540.38/19,523.20
  6. Step 6: Final answer
    x = 14,587.75

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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.