Home / 26,880.28-40,341.29-18,618.19

Finding the Fourth Proportional to 26,880.28, 40,341.29 and 18,618.19

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Solution

The fourth proportional to 26,880.28, 40,341.29 and 18,618.19 is: 27,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.28 : 40,341.29 = 18,618.19 : x
  2. Step 2: Convert to fraction form
    26,880.28/40,341.29 = 18,618.19/x
  3. Step 3: Cross multiply
    26,880.28x = 40,341.29 × 18,618.19
  4. Step 4: Simplify right side
    26,880.28x = 751,081,608.12
  5. Step 5: Solve for x
    x = 751,081,608.12/26,880.28
  6. Step 6: Final answer
    x = 27,941.74

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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.