Home / 85,727.97-128,602.89-26,567.19

Finding the Fourth Proportional to 85,727.97, 128,602.89 and 26,567.19

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Solution

The fourth proportional to 85,727.97, 128,602.89 and 26,567.19 is: 39,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.97 : 128,602.89 = 26,567.19 : x
  2. Step 2: Convert to fraction form
    85,727.97/128,602.89 = 26,567.19/x
  3. Step 3: Cross multiply
    85,727.97x = 128,602.89 × 26,567.19
  4. Step 4: Simplify right side
    85,727.97x = 3,416,617,413.18
  5. Step 5: Solve for x
    x = 3,416,617,413.18/85,727.97
  6. Step 6: Final answer
    x = 39,854.17

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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.