Home / 27,099.90-40,698.45-19,712.70

Finding the Fourth Proportional to 27,099.90, 40,698.45 and 19,712.70

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Solution

The fourth proportional to 27,099.90, 40,698.45 and 19,712.70 is: 29,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.90 : 40,698.45 = 19,712.70 : x
  2. Step 2: Convert to fraction form
    27,099.90/40,698.45 = 19,712.70/x
  3. Step 3: Cross multiply
    27,099.90x = 40,698.45 × 19,712.70
  4. Step 4: Simplify right side
    27,099.90x = 802,276,335.32
  5. Step 5: Solve for x
    x = 802,276,335.32/27,099.90
  6. Step 6: Final answer
    x = 29,604.40

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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.