Home / 38,444.96-53,050.08-28,378.72

Finding the Fourth Proportional to 38,444.96, 53,050.08 and 28,378.72

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Solution

The fourth proportional to 38,444.96, 53,050.08 and 28,378.72 is: 39,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.96 : 53,050.08 = 28,378.72 : x
  2. Step 2: Convert to fraction form
    38,444.96/53,050.08 = 28,378.72/x
  3. Step 3: Cross multiply
    38,444.96x = 53,050.08 × 28,378.72
  4. Step 4: Simplify right side
    38,444.96x = 1,505,493,366.30
  5. Step 5: Solve for x
    x = 1,505,493,366.30/38,444.96
  6. Step 6: Final answer
    x = 39,159.71

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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.