Home / 52,760.57-72,809.79-28,887.03

Finding the Fourth Proportional to 52,760.57, 72,809.79 and 28,887.03

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Solution

The fourth proportional to 52,760.57, 72,809.79 and 28,887.03 is: 39,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.57 : 72,809.79 = 28,887.03 : x
  2. Step 2: Convert to fraction form
    52,760.57/72,809.79 = 28,887.03/x
  3. Step 3: Cross multiply
    52,760.57x = 72,809.79 × 28,887.03
  4. Step 4: Simplify right side
    52,760.57x = 2,103,258,479.70
  5. Step 5: Solve for x
    x = 2,103,258,479.70/52,760.57
  6. Step 6: Final answer
    x = 39,864.21

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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.