Home / 28,643.41-42,932.31-15,506.83

Finding the Fourth Proportional to 28,643.41, 42,932.31 and 15,506.83

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Solution

The fourth proportional to 28,643.41, 42,932.31 and 15,506.83 is: 23,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.41 : 42,932.31 = 15,506.83 : x
  2. Step 2: Convert to fraction form
    28,643.41/42,932.31 = 15,506.83/x
  3. Step 3: Cross multiply
    28,643.41x = 42,932.31 × 15,506.83
  4. Step 4: Simplify right side
    28,643.41x = 665,744,032.68
  5. Step 5: Solve for x
    x = 665,744,032.68/28,643.41
  6. Step 6: Final answer
    x = 23,242.49

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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.