Home / 19,240.92-28,870.52-13,326.90

Finding the Fourth Proportional to 19,240.92, 28,870.52 and 13,326.90

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Solution

The fourth proportional to 19,240.92, 28,870.52 and 13,326.90 is: 19,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.92 : 28,870.52 = 13,326.90 : x
  2. Step 2: Convert to fraction form
    19,240.92/28,870.52 = 13,326.90/x
  3. Step 3: Cross multiply
    19,240.92x = 28,870.52 × 13,326.90
  4. Step 4: Simplify right side
    19,240.92x = 384,754,466.35
  5. Step 5: Solve for x
    x = 384,754,466.35/19,240.92
  6. Step 6: Final answer
    x = 19,996.68

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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.