Home / 26,399.19-36,420.74-15,069.32

Finding the Fourth Proportional to 26,399.19, 36,420.74 and 15,069.32

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Solution

The fourth proportional to 26,399.19, 36,420.74 and 15,069.32 is: 20,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,399.19 : 36,420.74 = 15,069.32 : x
  2. Step 2: Convert to fraction form
    26,399.19/36,420.74 = 15,069.32/x
  3. Step 3: Cross multiply
    26,399.19x = 36,420.74 × 15,069.32
  4. Step 4: Simplify right side
    26,399.19x = 548,835,528.25
  5. Step 5: Solve for x
    x = 548,835,528.25/26,399.19
  6. Step 6: Final answer
    x = 20,789.86

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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.