Home / 23,312.72-32,121.32-15,847.76

Finding the Fourth Proportional to 23,312.72, 32,121.32 and 15,847.76

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Solution

The fourth proportional to 23,312.72, 32,121.32 and 15,847.76 is: 21,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.72 : 32,121.32 = 15,847.76 : x
  2. Step 2: Convert to fraction form
    23,312.72/32,121.32 = 15,847.76/x
  3. Step 3: Cross multiply
    23,312.72x = 32,121.32 × 15,847.76
  4. Step 4: Simplify right side
    23,312.72x = 509,050,970.24
  5. Step 5: Solve for x
    x = 509,050,970.24/23,312.72
  6. Step 6: Final answer
    x = 21,835.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.