Home / 43,028.19-64,503.41-15,319.71

Finding the Fourth Proportional to 43,028.19, 64,503.41 and 15,319.71

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Solution

The fourth proportional to 43,028.19, 64,503.41 and 15,319.71 is: 22,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,028.19 : 64,503.41 = 15,319.71 : x
  2. Step 2: Convert to fraction form
    43,028.19/64,503.41 = 15,319.71/x
  3. Step 3: Cross multiply
    43,028.19x = 64,503.41 × 15,319.71
  4. Step 4: Simplify right side
    43,028.19x = 988,173,458.61
  5. Step 5: Solve for x
    x = 988,173,458.61/43,028.19
  6. Step 6: Final answer
    x = 22,965.72

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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.