Home / 38,570.67-57,862.86-13,625.19

Finding the Fourth Proportional to 38,570.67, 57,862.86 and 13,625.19

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Solution

The fourth proportional to 38,570.67, 57,862.86 and 13,625.19 is: 20,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.67 : 57,862.86 = 13,625.19 : x
  2. Step 2: Convert to fraction form
    38,570.67/57,862.86 = 13,625.19/x
  3. Step 3: Cross multiply
    38,570.67x = 57,862.86 × 13,625.19
  4. Step 4: Simplify right side
    38,570.67x = 788,392,461.44
  5. Step 5: Solve for x
    x = 788,392,461.44/38,570.67
  6. Step 6: Final answer
    x = 20,440.21

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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.