Home / 52,738.02-72,778.53-28,864.86

Finding the Fourth Proportional to 52,738.02, 72,778.53 and 28,864.86

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Solution

The fourth proportional to 52,738.02, 72,778.53 and 28,864.86 is: 39,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,738.02 : 72,778.53 = 28,864.86 : x
  2. Step 2: Convert to fraction form
    52,738.02/72,778.53 = 28,864.86/x
  3. Step 3: Cross multiply
    52,738.02x = 72,778.53 × 28,864.86
  4. Step 4: Simplify right side
    52,738.02x = 2,100,742,079.46
  5. Step 5: Solve for x
    x = 2,100,742,079.46/52,738.02
  6. Step 6: Final answer
    x = 39,833.54

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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.