Home / 26,490.62-39,698.98-19,909.10

Finding the Fourth Proportional to 26,490.62, 39,698.98 and 19,909.10

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Solution

The fourth proportional to 26,490.62, 39,698.98 and 19,909.10 is: 29,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.62 : 39,698.98 = 19,909.10 : x
  2. Step 2: Convert to fraction form
    26,490.62/39,698.98 = 19,909.10/x
  3. Step 3: Cross multiply
    26,490.62x = 39,698.98 × 19,909.10
  4. Step 4: Simplify right side
    26,490.62x = 790,370,962.72
  5. Step 5: Solve for x
    x = 790,370,962.72/26,490.62
  6. Step 6: Final answer
    x = 29,835.88

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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.