Home / 25,642.18-38,472.36-11,605.24

Finding the Fourth Proportional to 25,642.18, 38,472.36 and 11,605.24

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Solution

The fourth proportional to 25,642.18, 38,472.36 and 11,605.24 is: 17,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.18 : 38,472.36 = 11,605.24 : x
  2. Step 2: Convert to fraction form
    25,642.18/38,472.36 = 11,605.24/x
  3. Step 3: Cross multiply
    25,642.18x = 38,472.36 × 11,605.24
  4. Step 4: Simplify right side
    25,642.18x = 446,480,971.17
  5. Step 5: Solve for x
    x = 446,480,971.17/25,642.18
  6. Step 6: Final answer
    x = 17,411.97

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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.