Home / 27,612.04-38,104.60-15,036.88

Finding the Fourth Proportional to 27,612.04, 38,104.60 and 15,036.88

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Solution

The fourth proportional to 27,612.04, 38,104.60 and 15,036.88 is: 20,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.04 : 38,104.60 = 15,036.88 : x
  2. Step 2: Convert to fraction form
    27,612.04/38,104.60 = 15,036.88/x
  3. Step 3: Cross multiply
    27,612.04x = 38,104.60 × 15,036.88
  4. Step 4: Simplify right side
    27,612.04x = 572,974,297.65
  5. Step 5: Solve for x
    x = 572,974,297.65/27,612.04
  6. Step 6: Final answer
    x = 20,750.89

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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.