Home / 28,994.20-40,021.50-26,456.92

Finding the Fourth Proportional to 28,994.20, 40,021.50 and 26,456.92

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Solution

The fourth proportional to 28,994.20, 40,021.50 and 26,456.92 is: 36,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.20 : 40,021.50 = 26,456.92 : x
  2. Step 2: Convert to fraction form
    28,994.20/40,021.50 = 26,456.92/x
  3. Step 3: Cross multiply
    28,994.20x = 40,021.50 × 26,456.92
  4. Step 4: Simplify right side
    28,994.20x = 1,058,845,623.78
  5. Step 5: Solve for x
    x = 1,058,845,623.78/28,994.20
  6. Step 6: Final answer
    x = 36,519.22

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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.