Home / 28,906.77-39,881.37-17,572.71

Finding the Fourth Proportional to 28,906.77, 39,881.37 and 17,572.71

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Solution

The fourth proportional to 28,906.77, 39,881.37 and 17,572.71 is: 24,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.77 : 39,881.37 = 17,572.71 : x
  2. Step 2: Convert to fraction form
    28,906.77/39,881.37 = 17,572.71/x
  3. Step 3: Cross multiply
    28,906.77x = 39,881.37 × 17,572.71
  4. Step 4: Simplify right side
    28,906.77x = 700,823,749.41
  5. Step 5: Solve for x
    x = 700,823,749.41/28,906.77
  6. Step 6: Final answer
    x = 24,244.28

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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.