Home / 28,572.45-42,846.65-10,800.11

Finding the Fourth Proportional to 28,572.45, 42,846.65 and 10,800.11

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Solution

The fourth proportional to 28,572.45, 42,846.65 and 10,800.11 is: 16,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.45 : 42,846.65 = 10,800.11 : x
  2. Step 2: Convert to fraction form
    28,572.45/42,846.65 = 10,800.11/x
  3. Step 3: Cross multiply
    28,572.45x = 42,846.65 × 10,800.11
  4. Step 4: Simplify right side
    28,572.45x = 462,748,533.13
  5. Step 5: Solve for x
    x = 462,748,533.13/28,572.45
  6. Step 6: Final answer
    x = 16,195.62

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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.