Home / 26,359.57-36,384-18,404.36

Finding the Fourth Proportional to 26,359.57, 36,384 and 18,404.36

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Solution

The fourth proportional to 26,359.57, 36,384 and 18,404.36 is: 25,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,359.57 : 36,384 = 18,404.36 : x
  2. Step 2: Convert to fraction form
    26,359.57/36,384 = 18,404.36/x
  3. Step 3: Cross multiply
    26,359.57x = 36,384 × 18,404.36
  4. Step 4: Simplify right side
    26,359.57x = 669,624,052.32
  5. Step 5: Solve for x
    x = 669,624,052.32/26,359.57
  6. Step 6: Final answer
    x = 25,403.46

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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.