Home / 25,505.16-38,257.69-8,865.19

Finding the Fourth Proportional to 25,505.16, 38,257.69 and 8,865.19

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Solution

The fourth proportional to 25,505.16, 38,257.69 and 8,865.19 is: 13,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.16 : 38,257.69 = 8,865.19 : x
  2. Step 2: Convert to fraction form
    25,505.16/38,257.69 = 8,865.19/x
  3. Step 3: Cross multiply
    25,505.16x = 38,257.69 × 8,865.19
  4. Step 4: Simplify right side
    25,505.16x = 339,161,690.81
  5. Step 5: Solve for x
    x = 339,161,690.81/25,505.16
  6. Step 6: Final answer
    x = 13,297.77

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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.