Home / 27,909.29-38,514.69-15,162.39

Finding the Fourth Proportional to 27,909.29, 38,514.69 and 15,162.39

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Solution

The fourth proportional to 27,909.29, 38,514.69 and 15,162.39 is: 20,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,909.29 : 38,514.69 = 15,162.39 : x
  2. Step 2: Convert to fraction form
    27,909.29/38,514.69 = 15,162.39/x
  3. Step 3: Cross multiply
    27,909.29x = 38,514.69 × 15,162.39
  4. Step 4: Simplify right side
    27,909.29x = 583,974,750.51
  5. Step 5: Solve for x
    x = 583,974,750.51/27,909.29
  6. Step 6: Final answer
    x = 20,924.03

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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.