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Finding the Fourth Proportional to 18,487.02, 25,541.04 and 17,576.68

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Solution

The fourth proportional to 18,487.02, 25,541.04 and 17,576.68 is: 24,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.02 : 25,541.04 = 17,576.68 : x
  2. Step 2: Convert to fraction form
    18,487.02/25,541.04 = 17,576.68/x
  3. Step 3: Cross multiply
    18,487.02x = 25,541.04 × 17,576.68
  4. Step 4: Simplify right side
    18,487.02x = 448,926,686.95
  5. Step 5: Solve for x
    x = 448,926,686.95/18,487.02
  6. Step 6: Final answer
    x = 24,283.35

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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.