Home / 52,853.20-72,937.37-28,980.27

Finding the Fourth Proportional to 52,853.20, 72,937.37 and 28,980.27

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Solution

The fourth proportional to 52,853.20, 72,937.37 and 28,980.27 is: 39,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.20 : 72,937.37 = 28,980.27 : x
  2. Step 2: Convert to fraction form
    52,853.20/72,937.37 = 28,980.27/x
  3. Step 3: Cross multiply
    52,853.20x = 72,937.37 × 28,980.27
  4. Step 4: Simplify right side
    52,853.20x = 2,113,744,675.69
  5. Step 5: Solve for x
    x = 2,113,744,675.69/52,853.20
  6. Step 6: Final answer
    x = 39,992.75

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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.