Home / 28,363.04-42,533.76-8,635.52

Finding the Fourth Proportional to 28,363.04, 42,533.76 and 8,635.52

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Solution

The fourth proportional to 28,363.04, 42,533.76 and 8,635.52 is: 12,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.04 : 42,533.76 = 8,635.52 : x
  2. Step 2: Convert to fraction form
    28,363.04/42,533.76 = 8,635.52/x
  3. Step 3: Cross multiply
    28,363.04x = 42,533.76 × 8,635.52
  4. Step 4: Simplify right side
    28,363.04x = 367,301,135.16
  5. Step 5: Solve for x
    x = 367,301,135.16/28,363.04
  6. Step 6: Final answer
    x = 12,949.99

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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.