Home / 26,881.71-40,323.47-20,651.19

Finding the Fourth Proportional to 26,881.71, 40,323.47 and 20,651.19

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Solution

The fourth proportional to 26,881.71, 40,323.47 and 20,651.19 is: 30,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.71 : 40,323.47 = 20,651.19 : x
  2. Step 2: Convert to fraction form
    26,881.71/40,323.47 = 20,651.19/x
  3. Step 3: Cross multiply
    26,881.71x = 40,323.47 × 20,651.19
  4. Step 4: Simplify right side
    26,881.71x = 832,727,537.17
  5. Step 5: Solve for x
    x = 832,727,537.17/26,881.71
  6. Step 6: Final answer
    x = 30,977.48

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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.