Home / 28,681.86-39,576.69-16,104.18

Finding the Fourth Proportional to 28,681.86, 39,576.69 and 16,104.18

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Solution

The fourth proportional to 28,681.86, 39,576.69 and 16,104.18 is: 22,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.86 : 39,576.69 = 16,104.18 : x
  2. Step 2: Convert to fraction form
    28,681.86/39,576.69 = 16,104.18/x
  3. Step 3: Cross multiply
    28,681.86x = 39,576.69 × 16,104.18
  4. Step 4: Simplify right side
    28,681.86x = 637,350,139.56
  5. Step 5: Solve for x
    x = 637,350,139.56/28,681.86
  6. Step 6: Final answer
    x = 22,221.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.