Home / 25,554.99-38,337.33-8,919.78

Finding the Fourth Proportional to 25,554.99, 38,337.33 and 8,919.78

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Solution

The fourth proportional to 25,554.99, 38,337.33 and 8,919.78 is: 13,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.99 : 38,337.33 = 8,919.78 : x
  2. Step 2: Convert to fraction form
    25,554.99/38,337.33 = 8,919.78/x
  3. Step 3: Cross multiply
    25,554.99x = 38,337.33 × 8,919.78
  4. Step 4: Simplify right side
    25,554.99x = 341,960,549.39
  5. Step 5: Solve for x
    x = 341,960,549.39/25,554.99
  6. Step 6: Final answer
    x = 13,381.36

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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.