Home / 25,556.21-38,334.51-8,916.18

Finding the Fourth Proportional to 25,556.21, 38,334.51 and 8,916.18

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Solution

The fourth proportional to 25,556.21, 38,334.51 and 8,916.18 is: 13,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.21 : 38,334.51 = 8,916.18 : x
  2. Step 2: Convert to fraction form
    25,556.21/38,334.51 = 8,916.18/x
  3. Step 3: Cross multiply
    25,556.21x = 38,334.51 × 8,916.18
  4. Step 4: Simplify right side
    25,556.21x = 341,797,155.12
  5. Step 5: Solve for x
    x = 341,797,155.12/25,556.21
  6. Step 6: Final answer
    x = 13,374.33

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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.