Home / 25,555.89-38,348.43-9,969.87

Finding the Fourth Proportional to 25,555.89, 38,348.43 and 9,969.87

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Solution

The fourth proportional to 25,555.89, 38,348.43 and 9,969.87 is: 14,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.89 : 38,348.43 = 9,969.87 : x
  2. Step 2: Convert to fraction form
    25,555.89/38,348.43 = 9,969.87/x
  3. Step 3: Cross multiply
    25,555.89x = 38,348.43 × 9,969.87
  4. Step 4: Simplify right side
    25,555.89x = 382,328,861.80
  5. Step 5: Solve for x
    x = 382,328,861.80/25,555.89
  6. Step 6: Final answer
    x = 14,960.50

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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.