Home / 26,819.45-37,002.29-15,487.45

Finding the Fourth Proportional to 26,819.45, 37,002.29 and 15,487.45

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Solution

The fourth proportional to 26,819.45, 37,002.29 and 15,487.45 is: 21,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.45 : 37,002.29 = 15,487.45 : x
  2. Step 2: Convert to fraction form
    26,819.45/37,002.29 = 15,487.45/x
  3. Step 3: Cross multiply
    26,819.45x = 37,002.29 × 15,487.45
  4. Step 4: Simplify right side
    26,819.45x = 573,071,285.13
  5. Step 5: Solve for x
    x = 573,071,285.13/26,819.45
  6. Step 6: Final answer
    x = 21,367.75

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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.