Home / 27,938.13-38,551.95-22,645.59

Finding the Fourth Proportional to 27,938.13, 38,551.95 and 22,645.59

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Solution

The fourth proportional to 27,938.13, 38,551.95 and 22,645.59 is: 31,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.13 : 38,551.95 = 22,645.59 : x
  2. Step 2: Convert to fraction form
    27,938.13/38,551.95 = 22,645.59/x
  3. Step 3: Cross multiply
    27,938.13x = 38,551.95 × 22,645.59
  4. Step 4: Simplify right side
    27,938.13x = 873,031,653.40
  5. Step 5: Solve for x
    x = 873,031,653.40/27,938.13
  6. Step 6: Final answer
    x = 31,248.75

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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.