Home / 28,808.36-43,212.54-9,088.91

Finding the Fourth Proportional to 28,808.36, 43,212.54 and 9,088.91

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Solution

The fourth proportional to 28,808.36, 43,212.54 and 9,088.91 is: 13,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.36 : 43,212.54 = 9,088.91 : x
  2. Step 2: Convert to fraction form
    28,808.36/43,212.54 = 9,088.91/x
  3. Step 3: Cross multiply
    28,808.36x = 43,212.54 × 9,088.91
  4. Step 4: Simplify right side
    28,808.36x = 392,754,815.87
  5. Step 5: Solve for x
    x = 392,754,815.87/28,808.36
  6. Step 6: Final answer
    x = 13,633.36

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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.