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Finding the Fourth Proportional to 19,029, 28,543.48 and 5,881.08

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Solution

The fourth proportional to 19,029, 28,543.48 and 5,881.08 is: 8,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029 : 28,543.48 = 5,881.08 : x
  2. Step 2: Convert to fraction form
    19,029/28,543.48 = 5,881.08/x
  3. Step 3: Cross multiply
    19,029x = 28,543.48 × 5,881.08
  4. Step 4: Simplify right side
    19,029x = 167,866,489.36
  5. Step 5: Solve for x
    x = 167,866,489.36/19,029
  6. Step 6: Final answer
    x = 8,821.61

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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.