Home / 52,634.15-72,634.26-28,760.31

Finding the Fourth Proportional to 52,634.15, 72,634.26 and 28,760.31

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Solution

The fourth proportional to 52,634.15, 72,634.26 and 28,760.31 is: 39,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,634.15 : 72,634.26 = 28,760.31 : x
  2. Step 2: Convert to fraction form
    52,634.15/72,634.26 = 28,760.31/x
  3. Step 3: Cross multiply
    52,634.15x = 72,634.26 × 28,760.31
  4. Step 4: Simplify right side
    52,634.15x = 2,088,983,872.00
  5. Step 5: Solve for x
    x = 2,088,983,872.00/52,634.15
  6. Step 6: Final answer
    x = 39,688.75

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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.