Home / 26,655.40-36,783.78-14,717.80

Finding the Fourth Proportional to 26,655.40, 36,783.78 and 14,717.80

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Solution

The fourth proportional to 26,655.40, 36,783.78 and 14,717.80 is: 20,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.40 : 36,783.78 = 14,717.80 : x
  2. Step 2: Convert to fraction form
    26,655.40/36,783.78 = 14,717.80/x
  3. Step 3: Cross multiply
    26,655.40x = 36,783.78 × 14,717.80
  4. Step 4: Simplify right side
    26,655.40x = 541,376,317.28
  5. Step 5: Solve for x
    x = 541,376,317.28/26,655.40
  6. Step 6: Final answer
    x = 20,310.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.