Home / 25,619.24-38,430.48-8,089.76

Finding the Fourth Proportional to 25,619.24, 38,430.48 and 8,089.76

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Solution

The fourth proportional to 25,619.24, 38,430.48 and 8,089.76 is: 12,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.24 : 38,430.48 = 8,089.76 : x
  2. Step 2: Convert to fraction form
    25,619.24/38,430.48 = 8,089.76/x
  3. Step 3: Cross multiply
    25,619.24x = 38,430.48 × 8,089.76
  4. Step 4: Simplify right side
    25,619.24x = 310,893,359.88
  5. Step 5: Solve for x
    x = 310,893,359.88/25,619.24
  6. Step 6: Final answer
    x = 12,135.15

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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.