Home / 25,461.71-38,178.68-8,820.35

Finding the Fourth Proportional to 25,461.71, 38,178.68 and 8,820.35

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Solution

The fourth proportional to 25,461.71, 38,178.68 and 8,820.35 is: 13,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.71 : 38,178.68 = 8,820.35 : x
  2. Step 2: Convert to fraction form
    25,461.71/38,178.68 = 8,820.35/x
  3. Step 3: Cross multiply
    25,461.71x = 38,178.68 × 8,820.35
  4. Step 4: Simplify right side
    25,461.71x = 336,749,085.14
  5. Step 5: Solve for x
    x = 336,749,085.14/25,461.71
  6. Step 6: Final answer
    x = 13,225.71

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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.