Home / 38,364.88-52,939.72-28,298.76

Finding the Fourth Proportional to 38,364.88, 52,939.72 and 28,298.76

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Solution

The fourth proportional to 38,364.88, 52,939.72 and 28,298.76 is: 39,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.88 : 52,939.72 = 28,298.76 : x
  2. Step 2: Convert to fraction form
    38,364.88/52,939.72 = 28,298.76/x
  3. Step 3: Cross multiply
    38,364.88x = 52,939.72 × 28,298.76
  4. Step 4: Simplify right side
    38,364.88x = 1,498,128,430.75
  5. Step 5: Solve for x
    x = 1,498,128,430.75/38,364.88
  6. Step 6: Final answer
    x = 39,049.48

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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.