Home / 26,955.05-40,395.71-13,779.79

Finding the Fourth Proportional to 26,955.05, 40,395.71 and 13,779.79

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Solution

The fourth proportional to 26,955.05, 40,395.71 and 13,779.79 is: 20,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.05 : 40,395.71 = 13,779.79 : x
  2. Step 2: Convert to fraction form
    26,955.05/40,395.71 = 13,779.79/x
  3. Step 3: Cross multiply
    26,955.05x = 40,395.71 × 13,779.79
  4. Step 4: Simplify right side
    26,955.05x = 556,644,334.16
  5. Step 5: Solve for x
    x = 556,644,334.16/26,955.05
  6. Step 6: Final answer
    x = 20,650.84

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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.