Home / 20,326.14-28,050.60-11,373.57

Finding the Fourth Proportional to 20,326.14, 28,050.60 and 11,373.57

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Solution

The fourth proportional to 20,326.14, 28,050.60 and 11,373.57 is: 15,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.14 : 28,050.60 = 11,373.57 : x
  2. Step 2: Convert to fraction form
    20,326.14/28,050.60 = 11,373.57/x
  3. Step 3: Cross multiply
    20,326.14x = 28,050.60 × 11,373.57
  4. Step 4: Simplify right side
    20,326.14x = 319,035,462.64
  5. Step 5: Solve for x
    x = 319,035,462.64/20,326.14
  6. Step 6: Final answer
    x = 15,695.82

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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.