Home / 27,747.18-38,280.32-17,673.82

Finding the Fourth Proportional to 27,747.18, 38,280.32 and 17,673.82

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Solution

The fourth proportional to 27,747.18, 38,280.32 and 17,673.82 is: 24,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.18 : 38,280.32 = 17,673.82 : x
  2. Step 2: Convert to fraction form
    27,747.18/38,280.32 = 17,673.82/x
  3. Step 3: Cross multiply
    27,747.18x = 38,280.32 × 17,673.82
  4. Step 4: Simplify right side
    27,747.18x = 676,559,485.22
  5. Step 5: Solve for x
    x = 676,559,485.22/27,747.18
  6. Step 6: Final answer
    x = 24,383.00

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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.