Home / 38,319.86-52,866.40-28,272.42

Finding the Fourth Proportional to 38,319.86, 52,866.40 and 28,272.42

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Solution

The fourth proportional to 38,319.86, 52,866.40 and 28,272.42 is: 39,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.86 : 52,866.40 = 28,272.42 : x
  2. Step 2: Convert to fraction form
    38,319.86/52,866.40 = 28,272.42/x
  3. Step 3: Cross multiply
    38,319.86x = 52,866.40 × 28,272.42
  4. Step 4: Simplify right side
    38,319.86x = 1,494,661,064.69
  5. Step 5: Solve for x
    x = 1,494,661,064.69/38,319.86
  6. Step 6: Final answer
    x = 39,004.87

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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.