Home / 28,808.09-43,212.14-9,088.19

Finding the Fourth Proportional to 28,808.09, 43,212.14 and 9,088.19

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Solution

The fourth proportional to 28,808.09, 43,212.14 and 9,088.19 is: 13,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.09 : 43,212.14 = 9,088.19 : x
  2. Step 2: Convert to fraction form
    28,808.09/43,212.14 = 9,088.19/x
  3. Step 3: Cross multiply
    28,808.09x = 43,212.14 × 9,088.19
  4. Step 4: Simplify right side
    28,808.09x = 392,719,877.12
  5. Step 5: Solve for x
    x = 392,719,877.12/28,808.09
  6. Step 6: Final answer
    x = 13,632.28

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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.