Home / 27,866.29-38,458.19-15,927.35

Finding the Fourth Proportional to 27,866.29, 38,458.19 and 15,927.35

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Solution

The fourth proportional to 27,866.29, 38,458.19 and 15,927.35 is: 21,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866.29 : 38,458.19 = 15,927.35 : x
  2. Step 2: Convert to fraction form
    27,866.29/38,458.19 = 15,927.35/x
  3. Step 3: Cross multiply
    27,866.29x = 38,458.19 × 15,927.35
  4. Step 4: Simplify right side
    27,866.29x = 612,537,052.50
  5. Step 5: Solve for x
    x = 612,537,052.50/27,866.29
  6. Step 6: Final answer
    x = 21,981.29

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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.