Home / 28,809.36-43,214.04-9,089.91

Finding the Fourth Proportional to 28,809.36, 43,214.04 and 9,089.91

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Solution

The fourth proportional to 28,809.36, 43,214.04 and 9,089.91 is: 13,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.36 : 43,214.04 = 9,089.91 : x
  2. Step 2: Convert to fraction form
    28,809.36/43,214.04 = 9,089.91/x
  3. Step 3: Cross multiply
    28,809.36x = 43,214.04 × 9,089.91
  4. Step 4: Simplify right side
    28,809.36x = 392,811,734.34
  5. Step 5: Solve for x
    x = 392,811,734.34/28,809.36
  6. Step 6: Final answer
    x = 13,634.87

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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.