Home / 25,420.42-38,121.27-8,776.18

Finding the Fourth Proportional to 25,420.42, 38,121.27 and 8,776.18

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Solution

The fourth proportional to 25,420.42, 38,121.27 and 8,776.18 is: 13,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.42 : 38,121.27 = 8,776.18 : x
  2. Step 2: Convert to fraction form
    25,420.42/38,121.27 = 8,776.18/x
  3. Step 3: Cross multiply
    25,420.42x = 38,121.27 × 8,776.18
  4. Step 4: Simplify right side
    25,420.42x = 334,559,127.35
  5. Step 5: Solve for x
    x = 334,559,127.35/25,420.42
  6. Step 6: Final answer
    x = 13,161.04

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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.