Home / 26,430.12-39,617.52-8,893.92

Finding the Fourth Proportional to 26,430.12, 39,617.52 and 8,893.92

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Solution

The fourth proportional to 26,430.12, 39,617.52 and 8,893.92 is: 13,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.12 : 39,617.52 = 8,893.92 : x
  2. Step 2: Convert to fraction form
    26,430.12/39,617.52 = 8,893.92/x
  3. Step 3: Cross multiply
    26,430.12x = 39,617.52 × 8,893.92
  4. Step 4: Simplify right side
    26,430.12x = 352,355,053.48
  5. Step 5: Solve for x
    x = 352,355,053.48/26,430.12
  6. Step 6: Final answer
    x = 13,331.57

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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.