Home / 25,622.18-38,434.41-7,851.53

Finding the Fourth Proportional to 25,622.18, 38,434.41 and 7,851.53

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Solution

The fourth proportional to 25,622.18, 38,434.41 and 7,851.53 is: 11,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.18 : 38,434.41 = 7,851.53 : x
  2. Step 2: Convert to fraction form
    25,622.18/38,434.41 = 7,851.53/x
  3. Step 3: Cross multiply
    25,622.18x = 38,434.41 × 7,851.53
  4. Step 4: Simplify right side
    25,622.18x = 301,768,730.98
  5. Step 5: Solve for x
    x = 301,768,730.98/25,622.18
  6. Step 6: Final answer
    x = 11,777.64

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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.