Home / 36,709.20-55,009.76-16,421.36

Finding the Fourth Proportional to 36,709.20, 55,009.76 and 16,421.36

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Solution

The fourth proportional to 36,709.20, 55,009.76 and 16,421.36 is: 24,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,709.20 : 55,009.76 = 16,421.36 : x
  2. Step 2: Convert to fraction form
    36,709.20/55,009.76 = 16,421.36/x
  3. Step 3: Cross multiply
    36,709.20x = 55,009.76 × 16,421.36
  4. Step 4: Simplify right side
    36,709.20x = 903,334,715.32
  5. Step 5: Solve for x
    x = 903,334,715.32/36,709.20
  6. Step 6: Final answer
    x = 24,607.86

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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.