Home / 27,565.89-38,047.17-16,814.40

Finding the Fourth Proportional to 27,565.89, 38,047.17 and 16,814.40

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Solution

The fourth proportional to 27,565.89, 38,047.17 and 16,814.40 is: 23,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.89 : 38,047.17 = 16,814.40 : x
  2. Step 2: Convert to fraction form
    27,565.89/38,047.17 = 16,814.40/x
  3. Step 3: Cross multiply
    27,565.89x = 38,047.17 × 16,814.40
  4. Step 4: Simplify right side
    27,565.89x = 639,740,335.25
  5. Step 5: Solve for x
    x = 639,740,335.25/27,565.89
  6. Step 6: Final answer
    x = 23,207.68

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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.