Home / 28,812.39-43,222.23-9,088.08

Finding the Fourth Proportional to 28,812.39, 43,222.23 and 9,088.08

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Solution

The fourth proportional to 28,812.39, 43,222.23 and 9,088.08 is: 13,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.39 : 43,222.23 = 9,088.08 : x
  2. Step 2: Convert to fraction form
    28,812.39/43,222.23 = 9,088.08/x
  3. Step 3: Cross multiply
    28,812.39x = 43,222.23 × 9,088.08
  4. Step 4: Simplify right side
    28,812.39x = 392,807,084.02
  5. Step 5: Solve for x
    x = 392,807,084.02/28,812.39
  6. Step 6: Final answer
    x = 13,633.27

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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.