Home / 26,393.13-36,399.21-18,421.52

Finding the Fourth Proportional to 26,393.13, 36,399.21 and 18,421.52

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Solution

The fourth proportional to 26,393.13, 36,399.21 and 18,421.52 is: 25,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.13 : 36,399.21 = 18,421.52 : x
  2. Step 2: Convert to fraction form
    26,393.13/36,399.21 = 18,421.52/x
  3. Step 3: Cross multiply
    26,393.13x = 36,399.21 × 18,421.52
  4. Step 4: Simplify right side
    26,393.13x = 670,528,593.00
  5. Step 5: Solve for x
    x = 670,528,593.00/26,393.13
  6. Step 6: Final answer
    x = 25,405.42

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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.