Home / 19,319.04-28,982.71-5,991.76

Finding the Fourth Proportional to 19,319.04, 28,982.71 and 5,991.76

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Solution

The fourth proportional to 19,319.04, 28,982.71 and 5,991.76 is: 8,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.04 : 28,982.71 = 5,991.76 : x
  2. Step 2: Convert to fraction form
    19,319.04/28,982.71 = 5,991.76/x
  3. Step 3: Cross multiply
    19,319.04x = 28,982.71 × 5,991.76
  4. Step 4: Simplify right side
    19,319.04x = 173,657,323.16
  5. Step 5: Solve for x
    x = 173,657,323.16/19,319.04
  6. Step 6: Final answer
    x = 8,988.92

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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.