Home / 29,100.80-40,365.44-28,106.24

Finding the Fourth Proportional to 29,100.80, 40,365.44 and 28,106.24

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Solution

The fourth proportional to 29,100.80, 40,365.44 and 28,106.24 is: 38,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.80 : 40,365.44 = 28,106.24 : x
  2. Step 2: Convert to fraction form
    29,100.80/40,365.44 = 28,106.24/x
  3. Step 3: Cross multiply
    29,100.80x = 40,365.44 × 28,106.24
  4. Step 4: Simplify right side
    29,100.80x = 1,134,520,744.35
  5. Step 5: Solve for x
    x = 1,134,520,744.35/29,100.80
  6. Step 6: Final answer
    x = 38,985.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.