Home / 21,541.55-32,312.32-6,751.76

Finding the Fourth Proportional to 21,541.55, 32,312.32 and 6,751.76

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Solution

The fourth proportional to 21,541.55, 32,312.32 and 6,751.76 is: 10,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.55 : 32,312.32 = 6,751.76 : x
  2. Step 2: Convert to fraction form
    21,541.55/32,312.32 = 6,751.76/x
  3. Step 3: Cross multiply
    21,541.55x = 32,312.32 × 6,751.76
  4. Step 4: Simplify right side
    21,541.55x = 218,164,851.24
  5. Step 5: Solve for x
    x = 218,164,851.24/21,541.55
  6. Step 6: Final answer
    x = 10,127.63

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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.