Home / 25,417.79-38,111.29-11,375.20

Finding the Fourth Proportional to 25,417.79, 38,111.29 and 11,375.20

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Solution

The fourth proportional to 25,417.79, 38,111.29 and 11,375.20 is: 17,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.79 : 38,111.29 = 11,375.20 : x
  2. Step 2: Convert to fraction form
    25,417.79/38,111.29 = 11,375.20/x
  3. Step 3: Cross multiply
    25,417.79x = 38,111.29 × 11,375.20
  4. Step 4: Simplify right side
    25,417.79x = 433,523,422.29
  5. Step 5: Solve for x
    x = 433,523,422.29/25,417.79
  6. Step 6: Final answer
    x = 17,055.91

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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.