Home / 28,812.89-43,222.98-9,088.58

Finding the Fourth Proportional to 28,812.89, 43,222.98 and 9,088.58

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Solution

The fourth proportional to 28,812.89, 43,222.98 and 9,088.58 is: 13,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.89 : 43,222.98 = 9,088.58 : x
  2. Step 2: Convert to fraction form
    28,812.89/43,222.98 = 9,088.58/x
  3. Step 3: Cross multiply
    28,812.89x = 43,222.98 × 9,088.58
  4. Step 4: Simplify right side
    28,812.89x = 392,835,511.57
  5. Step 5: Solve for x
    x = 392,835,511.57/28,812.89
  6. Step 6: Final answer
    x = 13,634.02

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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.