Home / 28,757.57-39,681.90-16,007.56

Finding the Fourth Proportional to 28,757.57, 39,681.90 and 16,007.56

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Solution

The fourth proportional to 28,757.57, 39,681.90 and 16,007.56 is: 22,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.57 : 39,681.90 = 16,007.56 : x
  2. Step 2: Convert to fraction form
    28,757.57/39,681.90 = 16,007.56/x
  3. Step 3: Cross multiply
    28,757.57x = 39,681.90 × 16,007.56
  4. Step 4: Simplify right side
    28,757.57x = 635,210,295.96
  5. Step 5: Solve for x
    x = 635,210,295.96/28,757.57
  6. Step 6: Final answer
    x = 22,088.46

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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.