Home / 28,750.18-43,066.95-18,894.10

Finding the Fourth Proportional to 28,750.18, 43,066.95 and 18,894.10

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Solution

The fourth proportional to 28,750.18, 43,066.95 and 18,894.10 is: 28,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.18 : 43,066.95 = 18,894.10 : x
  2. Step 2: Convert to fraction form
    28,750.18/43,066.95 = 18,894.10/x
  3. Step 3: Cross multiply
    28,750.18x = 43,066.95 × 18,894.10
  4. Step 4: Simplify right side
    28,750.18x = 813,711,260.00
  5. Step 5: Solve for x
    x = 813,711,260.00/28,750.18
  6. Step 6: Final answer
    x = 28,302.82

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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.