Home / 25,430.18-38,145.24-9,847.80

Finding the Fourth Proportional to 25,430.18, 38,145.24 and 9,847.80

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Solution

The fourth proportional to 25,430.18, 38,145.24 and 9,847.80 is: 14,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.18 : 38,145.24 = 9,847.80 : x
  2. Step 2: Convert to fraction form
    25,430.18/38,145.24 = 9,847.80/x
  3. Step 3: Cross multiply
    25,430.18x = 38,145.24 × 9,847.80
  4. Step 4: Simplify right side
    25,430.18x = 375,646,694.47
  5. Step 5: Solve for x
    x = 375,646,694.47/25,430.18
  6. Step 6: Final answer
    x = 14,771.69

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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.