Home / 21,688.83-32,541.21-15,497.57

Finding the Fourth Proportional to 21,688.83, 32,541.21 and 15,497.57

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Solution

The fourth proportional to 21,688.83, 32,541.21 and 15,497.57 is: 23,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.83 : 32,541.21 = 15,497.57 : x
  2. Step 2: Convert to fraction form
    21,688.83/32,541.21 = 15,497.57/x
  3. Step 3: Cross multiply
    21,688.83x = 32,541.21 × 15,497.57
  4. Step 4: Simplify right side
    21,688.83x = 504,309,761.21
  5. Step 5: Solve for x
    x = 504,309,761.21/21,688.83
  6. Step 6: Final answer
    x = 23,252.05

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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.