Home / 28,428.18-39,283.02-27,062.52

Finding the Fourth Proportional to 28,428.18, 39,283.02 and 27,062.52

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Solution

The fourth proportional to 28,428.18, 39,283.02 and 27,062.52 is: 37,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,428.18 : 39,283.02 = 27,062.52 : x
  2. Step 2: Convert to fraction form
    28,428.18/39,283.02 = 27,062.52/x
  3. Step 3: Cross multiply
    28,428.18x = 39,283.02 × 27,062.52
  4. Step 4: Simplify right side
    28,428.18x = 1,063,097,514.41
  5. Step 5: Solve for x
    x = 1,063,097,514.41/28,428.18
  6. Step 6: Final answer
    x = 37,395.90

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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.