Home / 28,302.26-42,272.53-25,630.02

Finding the Fourth Proportional to 28,302.26, 42,272.53 and 25,630.02

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Solution

The fourth proportional to 28,302.26, 42,272.53 and 25,630.02 is: 38,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.26 : 42,272.53 = 25,630.02 : x
  2. Step 2: Convert to fraction form
    28,302.26/42,272.53 = 25,630.02/x
  3. Step 3: Cross multiply
    28,302.26x = 42,272.53 × 25,630.02
  4. Step 4: Simplify right side
    28,302.26x = 1,083,445,869.44
  5. Step 5: Solve for x
    x = 1,083,445,869.44/28,302.26
  6. Step 6: Final answer
    x = 38,281.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.