Home / 25,739.10-38,565.45-12,563.10

Finding the Fourth Proportional to 25,739.10, 38,565.45 and 12,563.10

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Solution

The fourth proportional to 25,739.10, 38,565.45 and 12,563.10 is: 18,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.10 : 38,565.45 = 12,563.10 : x
  2. Step 2: Convert to fraction form
    25,739.10/38,565.45 = 12,563.10/x
  3. Step 3: Cross multiply
    25,739.10x = 38,565.45 × 12,563.10
  4. Step 4: Simplify right side
    25,739.10x = 484,501,604.90
  5. Step 5: Solve for x
    x = 484,501,604.90/25,739.10
  6. Step 6: Final answer
    x = 18,823.56

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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.