Home / 52,778.54-72,831.68-28,900.60

Finding the Fourth Proportional to 52,778.54, 72,831.68 and 28,900.60

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Solution

The fourth proportional to 52,778.54, 72,831.68 and 28,900.60 is: 39,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.54 : 72,831.68 = 28,900.60 : x
  2. Step 2: Convert to fraction form
    52,778.54/72,831.68 = 28,900.60/x
  3. Step 3: Cross multiply
    52,778.54x = 72,831.68 × 28,900.60
  4. Step 4: Simplify right side
    52,778.54x = 2,104,879,251.01
  5. Step 5: Solve for x
    x = 2,104,879,251.01/52,778.54
  6. Step 6: Final answer
    x = 39,881.35

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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.