Home / 25,172.67-34,737.59-13,842.19

Finding the Fourth Proportional to 25,172.67, 34,737.59 and 13,842.19

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Solution

The fourth proportional to 25,172.67, 34,737.59 and 13,842.19 is: 19,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.67 : 34,737.59 = 13,842.19 : x
  2. Step 2: Convert to fraction form
    25,172.67/34,737.59 = 13,842.19/x
  3. Step 3: Cross multiply
    25,172.67x = 34,737.59 × 13,842.19
  4. Step 4: Simplify right side
    25,172.67x = 480,844,398.95
  5. Step 5: Solve for x
    x = 480,844,398.95/25,172.67
  6. Step 6: Final answer
    x = 19,101.84

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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.