Home / 27,907.22-38,512.65-15,974.40

Finding the Fourth Proportional to 27,907.22, 38,512.65 and 15,974.40

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Solution

The fourth proportional to 27,907.22, 38,512.65 and 15,974.40 is: 22,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.22 : 38,512.65 = 15,974.40 : x
  2. Step 2: Convert to fraction form
    27,907.22/38,512.65 = 15,974.40/x
  3. Step 3: Cross multiply
    27,907.22x = 38,512.65 × 15,974.40
  4. Step 4: Simplify right side
    27,907.22x = 615,216,374.00
  5. Step 5: Solve for x
    x = 615,216,374.00/27,907.22
  6. Step 6: Final answer
    x = 22,045.06

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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.