Home / 28,417.82-39,204.15-27,100.22

Finding the Fourth Proportional to 28,417.82, 39,204.15 and 27,100.22

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Solution

The fourth proportional to 28,417.82, 39,204.15 and 27,100.22 is: 37,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.82 : 39,204.15 = 27,100.22 : x
  2. Step 2: Convert to fraction form
    28,417.82/39,204.15 = 27,100.22/x
  3. Step 3: Cross multiply
    28,417.82x = 39,204.15 × 27,100.22
  4. Step 4: Simplify right side
    28,417.82x = 1,062,441,089.91
  5. Step 5: Solve for x
    x = 1,062,441,089.91/28,417.82
  6. Step 6: Final answer
    x = 37,386.44

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Double scale
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1.5x scale

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.