Home / 38,386.92-52,980.72-28,744.68

Finding the Fourth Proportional to 38,386.92, 52,980.72 and 28,744.68

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Solution

The fourth proportional to 38,386.92, 52,980.72 and 28,744.68 is: 39,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386.92 : 52,980.72 = 28,744.68 : x
  2. Step 2: Convert to fraction form
    38,386.92/52,980.72 = 28,744.68/x
  3. Step 3: Cross multiply
    38,386.92x = 52,980.72 × 28,744.68
  4. Step 4: Simplify right side
    38,386.92x = 1,522,913,842.57
  5. Step 5: Solve for x
    x = 1,522,913,842.57/38,386.92
  6. Step 6: Final answer
    x = 39,672.73

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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.