Home / 27,287.95-37,654.32-15,351.04

Finding the Fourth Proportional to 27,287.95, 37,654.32 and 15,351.04

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Solution

The fourth proportional to 27,287.95, 37,654.32 and 15,351.04 is: 21,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.95 : 37,654.32 = 15,351.04 : x
  2. Step 2: Convert to fraction form
    27,287.95/37,654.32 = 15,351.04/x
  3. Step 3: Cross multiply
    27,287.95x = 37,654.32 × 15,351.04
  4. Step 4: Simplify right side
    27,287.95x = 578,032,972.49
  5. Step 5: Solve for x
    x = 578,032,972.49/27,287.95
  6. Step 6: Final answer
    x = 21,182.72

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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.