Home / 27,597.29-38,085.15-15,661.13

Finding the Fourth Proportional to 27,597.29, 38,085.15 and 15,661.13

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Solution

The fourth proportional to 27,597.29, 38,085.15 and 15,661.13 is: 21,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,597.29 : 38,085.15 = 15,661.13 : x
  2. Step 2: Convert to fraction form
    27,597.29/38,085.15 = 15,661.13/x
  3. Step 3: Cross multiply
    27,597.29x = 38,085.15 × 15,661.13
  4. Step 4: Simplify right side
    27,597.29x = 596,456,485.22
  5. Step 5: Solve for x
    x = 596,456,485.22/27,597.29
  6. Step 6: Final answer
    x = 21,612.86

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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.