Home / 26,422.23-39,638.52-9,782.40

Finding the Fourth Proportional to 26,422.23, 39,638.52 and 9,782.40

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Solution

The fourth proportional to 26,422.23, 39,638.52 and 9,782.40 is: 14,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.23 : 39,638.52 = 9,782.40 : x
  2. Step 2: Convert to fraction form
    26,422.23/39,638.52 = 9,782.40/x
  3. Step 3: Cross multiply
    26,422.23x = 39,638.52 × 9,782.40
  4. Step 4: Simplify right side
    26,422.23x = 387,759,858.05
  5. Step 5: Solve for x
    x = 387,759,858.05/26,422.23
  6. Step 6: Final answer
    x = 14,675.52

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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.