Home / 26,423.64-39,642.06-18,647.64

Finding the Fourth Proportional to 26,423.64, 39,642.06 and 18,647.64

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Solution

The fourth proportional to 26,423.64, 39,642.06 and 18,647.64 is: 27,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.64 : 39,642.06 = 18,647.64 : x
  2. Step 2: Convert to fraction form
    26,423.64/39,642.06 = 18,647.64/x
  3. Step 3: Cross multiply
    26,423.64x = 39,642.06 × 18,647.64
  4. Step 4: Simplify right side
    26,423.64x = 739,230,863.74
  5. Step 5: Solve for x
    x = 739,230,863.74/26,423.64
  6. Step 6: Final answer
    x = 27,976.12

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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.