Home / 52,639.38-72,639.26-28,766.24

Finding the Fourth Proportional to 52,639.38, 72,639.26 and 28,766.24

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Solution

The fourth proportional to 52,639.38, 72,639.26 and 28,766.24 is: 39,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.38 : 72,639.26 = 28,766.24 : x
  2. Step 2: Convert to fraction form
    52,639.38/72,639.26 = 28,766.24/x
  3. Step 3: Cross multiply
    52,639.38x = 72,639.26 × 28,766.24
  4. Step 4: Simplify right side
    52,639.38x = 2,089,558,386.58
  5. Step 5: Solve for x
    x = 2,089,558,386.58/52,639.38
  6. Step 6: Final answer
    x = 39,695.73

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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.