Home / 19,068.62-28,607.38-5,920.29

Finding the Fourth Proportional to 19,068.62, 28,607.38 and 5,920.29

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Solution

The fourth proportional to 19,068.62, 28,607.38 and 5,920.29 is: 8,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.62 : 28,607.38 = 5,920.29 : x
  2. Step 2: Convert to fraction form
    19,068.62/28,607.38 = 5,920.29/x
  3. Step 3: Cross multiply
    19,068.62x = 28,607.38 × 5,920.29
  4. Step 4: Simplify right side
    19,068.62x = 169,363,970.94
  5. Step 5: Solve for x
    x = 169,363,970.94/19,068.62
  6. Step 6: Final answer
    x = 8,881.82

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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.