Home / 25,584.84-38,385.02-13,113.71

Finding the Fourth Proportional to 25,584.84, 38,385.02 and 13,113.71

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Solution

The fourth proportional to 25,584.84, 38,385.02 and 13,113.71 is: 19,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,584.84 : 38,385.02 = 13,113.71 : x
  2. Step 2: Convert to fraction form
    25,584.84/38,385.02 = 13,113.71/x
  3. Step 3: Cross multiply
    25,584.84x = 38,385.02 × 13,113.71
  4. Step 4: Simplify right side
    25,584.84x = 503,369,763.13
  5. Step 5: Solve for x
    x = 503,369,763.13/25,584.84
  6. Step 6: Final answer
    x = 19,674.53

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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.