Home / 27,808.13-38,376.17-15,233.69

Finding the Fourth Proportional to 27,808.13, 38,376.17 and 15,233.69

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Solution

The fourth proportional to 27,808.13, 38,376.17 and 15,233.69 is: 21,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.13 : 38,376.17 = 15,233.69 : x
  2. Step 2: Convert to fraction form
    27,808.13/38,376.17 = 15,233.69/x
  3. Step 3: Cross multiply
    27,808.13x = 38,376.17 × 15,233.69
  4. Step 4: Simplify right side
    27,808.13x = 584,610,409.12
  5. Step 5: Solve for x
    x = 584,610,409.12/27,808.13
  6. Step 6: Final answer
    x = 21,023.01

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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.