Home / 38,389.81-57,615.09-16,218.49

Finding the Fourth Proportional to 38,389.81, 57,615.09 and 16,218.49

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Solution

The fourth proportional to 38,389.81, 57,615.09 and 16,218.49 is: 24,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.81 : 57,615.09 = 16,218.49 : x
  2. Step 2: Convert to fraction form
    38,389.81/57,615.09 = 16,218.49/x
  3. Step 3: Cross multiply
    38,389.81x = 57,615.09 × 16,218.49
  4. Step 4: Simplify right side
    38,389.81x = 934,429,761.01
  5. Step 5: Solve for x
    x = 934,429,761.01/38,389.81
  6. Step 6: Final answer
    x = 24,340.57

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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.