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Finding the Fourth Proportional to 17,776.10, 24,541.41 and 15,807.62

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Solution

The fourth proportional to 17,776.10, 24,541.41 and 15,807.62 is: 21,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.10 : 24,541.41 = 15,807.62 : x
  2. Step 2: Convert to fraction form
    17,776.10/24,541.41 = 15,807.62/x
  3. Step 3: Cross multiply
    17,776.10x = 24,541.41 × 15,807.62
  4. Step 4: Simplify right side
    17,776.10x = 387,941,283.54
  5. Step 5: Solve for x
    x = 387,941,283.54/17,776.10
  6. Step 6: Final answer
    x = 21,823.76

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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.