Home / 19,154.68-28,732.50-5,303.80

Finding the Fourth Proportional to 19,154.68, 28,732.50 and 5,303.80

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Solution

The fourth proportional to 19,154.68, 28,732.50 and 5,303.80 is: 7,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.68 : 28,732.50 = 5,303.80 : x
  2. Step 2: Convert to fraction form
    19,154.68/28,732.50 = 5,303.80/x
  3. Step 3: Cross multiply
    19,154.68x = 28,732.50 × 5,303.80
  4. Step 4: Simplify right side
    19,154.68x = 152,391,433.50
  5. Step 5: Solve for x
    x = 152,391,433.50/19,154.68
  6. Step 6: Final answer
    x = 7,955.83

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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.