Home / 25,151.40-34,708.76-13,821.02

Finding the Fourth Proportional to 25,151.40, 34,708.76 and 13,821.02

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Solution

The fourth proportional to 25,151.40, 34,708.76 and 13,821.02 is: 19,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.40 : 34,708.76 = 13,821.02 : x
  2. Step 2: Convert to fraction form
    25,151.40/34,708.76 = 13,821.02/x
  3. Step 3: Cross multiply
    25,151.40x = 34,708.76 × 13,821.02
  4. Step 4: Simplify right side
    25,151.40x = 479,710,466.14
  5. Step 5: Solve for x
    x = 479,710,466.14/25,151.40
  6. Step 6: Final answer
    x = 19,072.91

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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.