Home / 52,680.40-72,698.96-28,807.12

Finding the Fourth Proportional to 52,680.40, 72,698.96 and 28,807.12

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Solution

The fourth proportional to 52,680.40, 72,698.96 and 28,807.12 is: 39,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.40 : 72,698.96 = 28,807.12 : x
  2. Step 2: Convert to fraction form
    52,680.40/72,698.96 = 28,807.12/x
  3. Step 3: Cross multiply
    52,680.40x = 72,698.96 × 28,807.12
  4. Step 4: Simplify right side
    52,680.40x = 2,094,247,664.60
  5. Step 5: Solve for x
    x = 2,094,247,664.60/52,680.40
  6. Step 6: Final answer
    x = 39,753.83

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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.