Home / 28,767.88-39,697.14-16,020.10

Finding the Fourth Proportional to 28,767.88, 39,697.14 and 16,020.10

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Solution

The fourth proportional to 28,767.88, 39,697.14 and 16,020.10 is: 22,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.88 : 39,697.14 = 16,020.10 : x
  2. Step 2: Convert to fraction form
    28,767.88/39,697.14 = 16,020.10/x
  3. Step 3: Cross multiply
    28,767.88x = 39,697.14 × 16,020.10
  4. Step 4: Simplify right side
    28,767.88x = 635,952,152.51
  5. Step 5: Solve for x
    x = 635,952,152.51/28,767.88
  6. Step 6: Final answer
    x = 22,106.33

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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.