Home / 26,811.50-37,005.10-15,488.30

Finding the Fourth Proportional to 26,811.50, 37,005.10 and 15,488.30

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Solution

The fourth proportional to 26,811.50, 37,005.10 and 15,488.30 is: 21,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.50 : 37,005.10 = 15,488.30 : x
  2. Step 2: Convert to fraction form
    26,811.50/37,005.10 = 15,488.30/x
  3. Step 3: Cross multiply
    26,811.50x = 37,005.10 × 15,488.30
  4. Step 4: Simplify right side
    26,811.50x = 573,146,090.33
  5. Step 5: Solve for x
    x = 573,146,090.33/26,811.50
  6. Step 6: Final answer
    x = 21,376.88

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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.