Home / 27,647.01-38,152.89-15,071.76

Finding the Fourth Proportional to 27,647.01, 38,152.89 and 15,071.76

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Solution

The fourth proportional to 27,647.01, 38,152.89 and 15,071.76 is: 20,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.01 : 38,152.89 = 15,071.76 : x
  2. Step 2: Convert to fraction form
    27,647.01/38,152.89 = 15,071.76/x
  3. Step 3: Cross multiply
    27,647.01x = 38,152.89 × 15,071.76
  4. Step 4: Simplify right side
    27,647.01x = 575,031,201.39
  5. Step 5: Solve for x
    x = 575,031,201.39/27,647.01
  6. Step 6: Final answer
    x = 20,799.04

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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.