Home / 52,257.94-72,116.26-28,384.80

Finding the Fourth Proportional to 52,257.94, 72,116.26 and 28,384.80

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Solution

The fourth proportional to 52,257.94, 72,116.26 and 28,384.80 is: 39,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.94 : 72,116.26 = 28,384.80 : x
  2. Step 2: Convert to fraction form
    52,257.94/72,116.26 = 28,384.80/x
  3. Step 3: Cross multiply
    52,257.94x = 72,116.26 × 28,384.80
  4. Step 4: Simplify right side
    52,257.94x = 2,047,005,616.85
  5. Step 5: Solve for x
    x = 2,047,005,616.85/52,257.94
  6. Step 6: Final answer
    x = 39,171.19

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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.