Home / 10,028.32-15,040.02-3,788.92

Finding the Fourth Proportional to 10,028.32, 15,040.02 and 3,788.92

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Solution

The fourth proportional to 10,028.32, 15,040.02 and 3,788.92 is: 5,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.32 : 15,040.02 = 3,788.92 : x
  2. Step 2: Convert to fraction form
    10,028.32/15,040.02 = 3,788.92/x
  3. Step 3: Cross multiply
    10,028.32x = 15,040.02 × 3,788.92
  4. Step 4: Simplify right side
    10,028.32x = 56,985,432.58
  5. Step 5: Solve for x
    x = 56,985,432.58/10,028.32
  6. Step 6: Final answer
    x = 5,682.45

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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.