Home / 27,802.41-38,359.30-15,702.26

Finding the Fourth Proportional to 27,802.41, 38,359.30 and 15,702.26

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Solution

The fourth proportional to 27,802.41, 38,359.30 and 15,702.26 is: 21,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.41 : 38,359.30 = 15,702.26 : x
  2. Step 2: Convert to fraction form
    27,802.41/38,359.30 = 15,702.26/x
  3. Step 3: Cross multiply
    27,802.41x = 38,359.30 × 15,702.26
  4. Step 4: Simplify right side
    27,802.41x = 602,327,456.24
  5. Step 5: Solve for x
    x = 602,327,456.24/27,802.41
  6. Step 6: Final answer
    x = 21,664.57

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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.