Home / 18,688.52-28,024.64-5,358.57

Finding the Fourth Proportional to 18,688.52, 28,024.64 and 5,358.57

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Solution

The fourth proportional to 18,688.52, 28,024.64 and 5,358.57 is: 8,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.52 : 28,024.64 = 5,358.57 : x
  2. Step 2: Convert to fraction form
    18,688.52/28,024.64 = 5,358.57/x
  3. Step 3: Cross multiply
    18,688.52x = 28,024.64 × 5,358.57
  4. Step 4: Simplify right side
    18,688.52x = 150,171,995.16
  5. Step 5: Solve for x
    x = 150,171,995.16/18,688.52
  6. Step 6: Final answer
    x = 8,035.52

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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.