Home / 40,008.89-60,021.76-13,715.68

Finding the Fourth Proportional to 40,008.89, 60,021.76 and 13,715.68

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Solution

The fourth proportional to 40,008.89, 60,021.76 and 13,715.68 is: 20,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.89 : 60,021.76 = 13,715.68 : x
  2. Step 2: Convert to fraction form
    40,008.89/60,021.76 = 13,715.68/x
  3. Step 3: Cross multiply
    40,008.89x = 60,021.76 × 13,715.68
  4. Step 4: Simplify right side
    40,008.89x = 823,239,207.11
  5. Step 5: Solve for x
    x = 823,239,207.11/40,008.89
  6. Step 6: Final answer
    x = 20,576.41

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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.