Home / 25,919.07-38,870.51-8,385.27

Finding the Fourth Proportional to 25,919.07, 38,870.51 and 8,385.27

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Solution

The fourth proportional to 25,919.07, 38,870.51 and 8,385.27 is: 12,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.07 : 38,870.51 = 8,385.27 : x
  2. Step 2: Convert to fraction form
    25,919.07/38,870.51 = 8,385.27/x
  3. Step 3: Cross multiply
    25,919.07x = 38,870.51 × 8,385.27
  4. Step 4: Simplify right side
    25,919.07x = 325,939,679.46
  5. Step 5: Solve for x
    x = 325,939,679.46/25,919.07
  6. Step 6: Final answer
    x = 12,575.28

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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.