Home / 27,601.66-38,068.14-18,040.78

Finding the Fourth Proportional to 27,601.66, 38,068.14 and 18,040.78

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Solution

The fourth proportional to 27,601.66, 38,068.14 and 18,040.78 is: 24,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.66 : 38,068.14 = 18,040.78 : x
  2. Step 2: Convert to fraction form
    27,601.66/38,068.14 = 18,040.78/x
  3. Step 3: Cross multiply
    27,601.66x = 38,068.14 × 18,040.78
  4. Step 4: Simplify right side
    27,601.66x = 686,778,938.75
  5. Step 5: Solve for x
    x = 686,778,938.75/27,601.66
  6. Step 6: Final answer
    x = 24,881.80

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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.