Home / 15,575.15-23,362.61-3,888.36

Finding the Fourth Proportional to 15,575.15, 23,362.61 and 3,888.36

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Solution

The fourth proportional to 15,575.15, 23,362.61 and 3,888.36 is: 5,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.15 : 23,362.61 = 3,888.36 : x
  2. Step 2: Convert to fraction form
    15,575.15/23,362.61 = 3,888.36/x
  3. Step 3: Cross multiply
    15,575.15x = 23,362.61 × 3,888.36
  4. Step 4: Simplify right side
    15,575.15x = 90,842,218.78
  5. Step 5: Solve for x
    x = 90,842,218.78/15,575.15
  6. Step 6: Final answer
    x = 5,832.51

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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.