Home / 28,693.26-43,038.27-8,969.49

Finding the Fourth Proportional to 28,693.26, 43,038.27 and 8,969.49

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Solution

The fourth proportional to 28,693.26, 43,038.27 and 8,969.49 is: 13,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.26 : 43,038.27 = 8,969.49 : x
  2. Step 2: Convert to fraction form
    28,693.26/43,038.27 = 8,969.49/x
  3. Step 3: Cross multiply
    28,693.26x = 43,038.27 × 8,969.49
  4. Step 4: Simplify right side
    28,693.26x = 386,031,332.38
  5. Step 5: Solve for x
    x = 386,031,332.38/28,693.26
  6. Step 6: Final answer
    x = 13,453.73

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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.