Home / 52,602.15-72,589.81-28,728.92

Finding the Fourth Proportional to 52,602.15, 72,589.81 and 28,728.92

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Solution

The fourth proportional to 52,602.15, 72,589.81 and 28,728.92 is: 39,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,602.15 : 72,589.81 = 28,728.92 : x
  2. Step 2: Convert to fraction form
    52,602.15/72,589.81 = 28,728.92/x
  3. Step 3: Cross multiply
    52,602.15x = 72,589.81 × 28,728.92
  4. Step 4: Simplify right side
    52,602.15x = 2,085,426,844.31
  5. Step 5: Solve for x
    x = 2,085,426,844.31/52,602.15
  6. Step 6: Final answer
    x = 39,645.28

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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.