Home / 21,392.98-32,077.89-15,165.18

Finding the Fourth Proportional to 21,392.98, 32,077.89 and 15,165.18

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Solution

The fourth proportional to 21,392.98, 32,077.89 and 15,165.18 is: 22,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.98 : 32,077.89 = 15,165.18 : x
  2. Step 2: Convert to fraction form
    21,392.98/32,077.89 = 15,165.18/x
  3. Step 3: Cross multiply
    21,392.98x = 32,077.89 × 15,165.18
  4. Step 4: Simplify right side
    21,392.98x = 486,466,975.87
  5. Step 5: Solve for x
    x = 486,466,975.87/21,392.98
  6. Step 6: Final answer
    x = 22,739.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.