Home / 25,200.99-34,765.73-15,111.93

Finding the Fourth Proportional to 25,200.99, 34,765.73 and 15,111.93

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Solution

The fourth proportional to 25,200.99, 34,765.73 and 15,111.93 is: 20,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.99 : 34,765.73 = 15,111.93 : x
  2. Step 2: Convert to fraction form
    25,200.99/34,765.73 = 15,111.93/x
  3. Step 3: Cross multiply
    25,200.99x = 34,765.73 × 15,111.93
  4. Step 4: Simplify right side
    25,200.99x = 525,377,432.14
  5. Step 5: Solve for x
    x = 525,377,432.14/25,200.99
  6. Step 6: Final answer
    x = 20,847.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.