Home / 27,976.23-38,597.45-15,875.28

Finding the Fourth Proportional to 27,976.23, 38,597.45 and 15,875.28

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Solution

The fourth proportional to 27,976.23, 38,597.45 and 15,875.28 is: 21,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.23 : 38,597.45 = 15,875.28 : x
  2. Step 2: Convert to fraction form
    27,976.23/38,597.45 = 15,875.28/x
  3. Step 3: Cross multiply
    27,976.23x = 38,597.45 × 15,875.28
  4. Step 4: Simplify right side
    27,976.23x = 612,745,246.66
  5. Step 5: Solve for x
    x = 612,745,246.66/27,976.23
  6. Step 6: Final answer
    x = 21,902.35

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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.