Home / 27,707.52-38,238.33-15,770.86

Finding the Fourth Proportional to 27,707.52, 38,238.33 and 15,770.86

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Solution

The fourth proportional to 27,707.52, 38,238.33 and 15,770.86 is: 21,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.52 : 38,238.33 = 15,770.86 : x
  2. Step 2: Convert to fraction form
    27,707.52/38,238.33 = 15,770.86/x
  3. Step 3: Cross multiply
    27,707.52x = 38,238.33 × 15,770.86
  4. Step 4: Simplify right side
    27,707.52x = 603,051,312.61
  5. Step 5: Solve for x
    x = 603,051,312.61/27,707.52
  6. Step 6: Final answer
    x = 21,764.89

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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.