Home / 19,269.24-28,920.27-7,590.66

Finding the Fourth Proportional to 19,269.24, 28,920.27 and 7,590.66

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Solution

The fourth proportional to 19,269.24, 28,920.27 and 7,590.66 is: 11,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.24 : 28,920.27 = 7,590.66 : x
  2. Step 2: Convert to fraction form
    19,269.24/28,920.27 = 7,590.66/x
  3. Step 3: Cross multiply
    19,269.24x = 28,920.27 × 7,590.66
  4. Step 4: Simplify right side
    19,269.24x = 219,523,936.68
  5. Step 5: Solve for x
    x = 219,523,936.68/19,269.24
  6. Step 6: Final answer
    x = 11,392.45

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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.