Home / 28,883.81-39,855.16-16,308.29

Finding the Fourth Proportional to 28,883.81, 39,855.16 and 16,308.29

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Solution

The fourth proportional to 28,883.81, 39,855.16 and 16,308.29 is: 22,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.81 : 39,855.16 = 16,308.29 : x
  2. Step 2: Convert to fraction form
    28,883.81/39,855.16 = 16,308.29/x
  3. Step 3: Cross multiply
    28,883.81x = 39,855.16 × 16,308.29
  4. Step 4: Simplify right side
    28,883.81x = 649,969,507.28
  5. Step 5: Solve for x
    x = 649,969,507.28/28,883.81
  6. Step 6: Final answer
    x = 22,502.90

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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.