Home / 25,756.16-38,642.04-10,770.56

Finding the Fourth Proportional to 25,756.16, 38,642.04 and 10,770.56

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Solution

The fourth proportional to 25,756.16, 38,642.04 and 10,770.56 is: 16,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.16 : 38,642.04 = 10,770.56 : x
  2. Step 2: Convert to fraction form
    25,756.16/38,642.04 = 10,770.56/x
  3. Step 3: Cross multiply
    25,756.16x = 38,642.04 × 10,770.56
  4. Step 4: Simplify right side
    25,756.16x = 416,196,410.34
  5. Step 5: Solve for x
    x = 416,196,410.34/25,756.16
  6. Step 6: Final answer
    x = 16,159.10

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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.