Home / 27,988.04-38,624.19-17,228.91

Finding the Fourth Proportional to 27,988.04, 38,624.19 and 17,228.91

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Solution

The fourth proportional to 27,988.04, 38,624.19 and 17,228.91 is: 23,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.04 : 38,624.19 = 17,228.91 : x
  2. Step 2: Convert to fraction form
    27,988.04/38,624.19 = 17,228.91/x
  3. Step 3: Cross multiply
    27,988.04x = 38,624.19 × 17,228.91
  4. Step 4: Simplify right side
    27,988.04x = 665,452,556.30
  5. Step 5: Solve for x
    x = 665,452,556.30/27,988.04
  6. Step 6: Final answer
    x = 23,776.32

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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.