Home / 26,908.16-40,326.48-12,114.40

Finding the Fourth Proportional to 26,908.16, 40,326.48 and 12,114.40

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Solution

The fourth proportional to 26,908.16, 40,326.48 and 12,114.40 is: 18,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.16 : 40,326.48 = 12,114.40 : x
  2. Step 2: Convert to fraction form
    26,908.16/40,326.48 = 12,114.40/x
  3. Step 3: Cross multiply
    26,908.16x = 40,326.48 × 12,114.40
  4. Step 4: Simplify right side
    26,908.16x = 488,531,109.31
  5. Step 5: Solve for x
    x = 488,531,109.31/26,908.16
  6. Step 6: Final answer
    x = 18,155.50

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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.