Home / 25,811.43-38,718.45-8,054.19

Finding the Fourth Proportional to 25,811.43, 38,718.45 and 8,054.19

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Solution

The fourth proportional to 25,811.43, 38,718.45 and 8,054.19 is: 12,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.43 : 38,718.45 = 8,054.19 : x
  2. Step 2: Convert to fraction form
    25,811.43/38,718.45 = 8,054.19/x
  3. Step 3: Cross multiply
    25,811.43x = 38,718.45 × 8,054.19
  4. Step 4: Simplify right side
    25,811.43x = 311,845,752.81
  5. Step 5: Solve for x
    x = 311,845,752.81/25,811.43
  6. Step 6: Final answer
    x = 12,081.69

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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.