Home / 19,079.40-28,618.14-5,228.52

Finding the Fourth Proportional to 19,079.40, 28,618.14 and 5,228.52

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Solution

The fourth proportional to 19,079.40, 28,618.14 and 5,228.52 is: 7,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.40 : 28,618.14 = 5,228.52 : x
  2. Step 2: Convert to fraction form
    19,079.40/28,618.14 = 5,228.52/x
  3. Step 3: Cross multiply
    19,079.40x = 28,618.14 × 5,228.52
  4. Step 4: Simplify right side
    19,079.40x = 149,630,517.35
  5. Step 5: Solve for x
    x = 149,630,517.35/19,079.40
  6. Step 6: Final answer
    x = 7,842.52

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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.