Home / 28,422.64-42,551.34-16,540.19

Finding the Fourth Proportional to 28,422.64, 42,551.34 and 16,540.19

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Solution

The fourth proportional to 28,422.64, 42,551.34 and 16,540.19 is: 24,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.64 : 42,551.34 = 16,540.19 : x
  2. Step 2: Convert to fraction form
    28,422.64/42,551.34 = 16,540.19/x
  3. Step 3: Cross multiply
    28,422.64x = 42,551.34 × 16,540.19
  4. Step 4: Simplify right side
    28,422.64x = 703,807,354.73
  5. Step 5: Solve for x
    x = 703,807,354.73/28,422.64
  6. Step 6: Final answer
    x = 24,762.21

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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.