Home / 27,854.10-38,442.06-15,914.70

Finding the Fourth Proportional to 27,854.10, 38,442.06 and 15,914.70

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Solution

The fourth proportional to 27,854.10, 38,442.06 and 15,914.70 is: 21,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.10 : 38,442.06 = 15,914.70 : x
  2. Step 2: Convert to fraction form
    27,854.10/38,442.06 = 15,914.70/x
  3. Step 3: Cross multiply
    27,854.10x = 38,442.06 × 15,914.70
  4. Step 4: Simplify right side
    27,854.10x = 611,793,852.28
  5. Step 5: Solve for x
    x = 611,793,852.28/27,854.10
  6. Step 6: Final answer
    x = 21,964.23

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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.