Home / 36,989.78-55,468.20-10,688.27

Finding the Fourth Proportional to 36,989.78, 55,468.20 and 10,688.27

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Solution

The fourth proportional to 36,989.78, 55,468.20 and 10,688.27 is: 16,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.78 : 55,468.20 = 10,688.27 : x
  2. Step 2: Convert to fraction form
    36,989.78/55,468.20 = 10,688.27/x
  3. Step 3: Cross multiply
    36,989.78x = 55,468.20 × 10,688.27
  4. Step 4: Simplify right side
    36,989.78x = 592,859,098.01
  5. Step 5: Solve for x
    x = 592,859,098.01/36,989.78
  6. Step 6: Final answer
    x = 16,027.65

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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.