Home / 25,648.24-38,485.90-18,199.92

Finding the Fourth Proportional to 25,648.24, 38,485.90 and 18,199.92

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Solution

The fourth proportional to 25,648.24, 38,485.90 and 18,199.92 is: 27,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.24 : 38,485.90 = 18,199.92 : x
  2. Step 2: Convert to fraction form
    25,648.24/38,485.90 = 18,199.92/x
  3. Step 3: Cross multiply
    25,648.24x = 38,485.90 × 18,199.92
  4. Step 4: Simplify right side
    25,648.24x = 700,440,210.13
  5. Step 5: Solve for x
    x = 700,440,210.13/25,648.24
  6. Step 6: Final answer
    x = 27,309.49

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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.