Home / 23,421.18-32,311.44-15,356.76

Finding the Fourth Proportional to 23,421.18, 32,311.44 and 15,356.76

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Solution

The fourth proportional to 23,421.18, 32,311.44 and 15,356.76 is: 21,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.18 : 32,311.44 = 15,356.76 : x
  2. Step 2: Convert to fraction form
    23,421.18/32,311.44 = 15,356.76/x
  3. Step 3: Cross multiply
    23,421.18x = 32,311.44 × 15,356.76
  4. Step 4: Simplify right side
    23,421.18x = 496,199,029.33
  5. Step 5: Solve for x
    x = 496,199,029.33/23,421.18
  6. Step 6: Final answer
    x = 21,185.91

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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.