Home / 19,334.24-28,998.08-5,480

Finding the Fourth Proportional to 19,334.24, 28,998.08 and 5,480

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Solution

The fourth proportional to 19,334.24, 28,998.08 and 5,480 is: 8,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.24 : 28,998.08 = 5,480 : x
  2. Step 2: Convert to fraction form
    19,334.24/28,998.08 = 5,480/x
  3. Step 3: Cross multiply
    19,334.24x = 28,998.08 × 5,480
  4. Step 4: Simplify right side
    19,334.24x = 158,909,478.40
  5. Step 5: Solve for x
    x = 158,909,478.40/19,334.24
  6. Step 6: Final answer
    x = 8,219.07

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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.