Home / 25,578.42-38,343.02-13,104.34

Finding the Fourth Proportional to 25,578.42, 38,343.02 and 13,104.34

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Solution

The fourth proportional to 25,578.42, 38,343.02 and 13,104.34 is: 19,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.42 : 38,343.02 = 13,104.34 : x
  2. Step 2: Convert to fraction form
    25,578.42/38,343.02 = 13,104.34/x
  3. Step 3: Cross multiply
    25,578.42x = 38,343.02 × 13,104.34
  4. Step 4: Simplify right side
    25,578.42x = 502,459,970.71
  5. Step 5: Solve for x
    x = 502,459,970.71/25,578.42
  6. Step 6: Final answer
    x = 19,643.90

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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.