Home / 27,636.13-38,134.00-15,534.89

Finding the Fourth Proportional to 27,636.13, 38,134.00 and 15,534.89

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Solution

The fourth proportional to 27,636.13, 38,134.00 and 15,534.89 is: 21,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.13 : 38,134.00 = 15,534.89 : x
  2. Step 2: Convert to fraction form
    27,636.13/38,134.00 = 15,534.89/x
  3. Step 3: Cross multiply
    27,636.13x = 38,134.00 × 15,534.89
  4. Step 4: Simplify right side
    27,636.13x = 592,407,417.59
  5. Step 5: Solve for x
    x = 592,407,417.59/27,636.13
  6. Step 6: Final answer
    x = 21,435.98

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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.