Home / 27,518.61-37,976.13-15,581.64

Finding the Fourth Proportional to 27,518.61, 37,976.13 and 15,581.64

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Solution

The fourth proportional to 27,518.61, 37,976.13 and 15,581.64 is: 21,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.61 : 37,976.13 = 15,581.64 : x
  2. Step 2: Convert to fraction form
    27,518.61/37,976.13 = 15,581.64/x
  3. Step 3: Cross multiply
    27,518.61x = 37,976.13 × 15,581.64
  4. Step 4: Simplify right side
    27,518.61x = 591,730,386.25
  5. Step 5: Solve for x
    x = 591,730,386.25/27,518.61
  6. Step 6: Final answer
    x = 21,502.92

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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.