Home / 28,781.02-39,430.14-27,702.38

Finding the Fourth Proportional to 28,781.02, 39,430.14 and 27,702.38

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Solution

The fourth proportional to 28,781.02, 39,430.14 and 27,702.38 is: 37,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.02 : 39,430.14 = 27,702.38 : x
  2. Step 2: Convert to fraction form
    28,781.02/39,430.14 = 27,702.38/x
  3. Step 3: Cross multiply
    28,781.02x = 39,430.14 × 27,702.38
  4. Step 4: Simplify right side
    28,781.02x = 1,092,308,721.73
  5. Step 5: Solve for x
    x = 1,092,308,721.73/28,781.02
  6. Step 6: Final answer
    x = 37,952.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.