Home / 27,645.35-38,150.55-15,070.10

Finding the Fourth Proportional to 27,645.35, 38,150.55 and 15,070.10

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Solution

The fourth proportional to 27,645.35, 38,150.55 and 15,070.10 is: 20,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.35 : 38,150.55 = 15,070.10 : x
  2. Step 2: Convert to fraction form
    27,645.35/38,150.55 = 15,070.10/x
  3. Step 3: Cross multiply
    27,645.35x = 38,150.55 × 15,070.10
  4. Step 4: Simplify right side
    27,645.35x = 574,932,412.80
  5. Step 5: Solve for x
    x = 574,932,412.80/27,645.35
  6. Step 6: Final answer
    x = 20,796.72

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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.