Home / 27,248.61-37,600.95-15,309.72

Finding the Fourth Proportional to 27,248.61, 37,600.95 and 15,309.72

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Solution

The fourth proportional to 27,248.61, 37,600.95 and 15,309.72 is: 21,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.61 : 37,600.95 = 15,309.72 : x
  2. Step 2: Convert to fraction form
    27,248.61/37,600.95 = 15,309.72/x
  3. Step 3: Cross multiply
    27,248.61x = 37,600.95 × 15,309.72
  4. Step 4: Simplify right side
    27,248.61x = 575,660,016.23
  5. Step 5: Solve for x
    x = 575,660,016.23/27,248.61
  6. Step 6: Final answer
    x = 21,126.22

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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.