Home / 10,020.80-15,030.99-2,625.71

Finding the Fourth Proportional to 10,020.80, 15,030.99 and 2,625.71

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Solution

The fourth proportional to 10,020.80, 15,030.99 and 2,625.71 is: 3,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.80 : 15,030.99 = 2,625.71 : x
  2. Step 2: Convert to fraction form
    10,020.80/15,030.99 = 2,625.71/x
  3. Step 3: Cross multiply
    10,020.80x = 15,030.99 × 2,625.71
  4. Step 4: Simplify right side
    10,020.80x = 39,466,945.60
  5. Step 5: Solve for x
    x = 39,466,945.60/10,020.80
  6. Step 6: Final answer
    x = 3,938.50

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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.