Home / 26,981.30-37,237.86-15,500.70

Finding the Fourth Proportional to 26,981.30, 37,237.86 and 15,500.70

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Solution

The fourth proportional to 26,981.30, 37,237.86 and 15,500.70 is: 21,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.30 : 37,237.86 = 15,500.70 : x
  2. Step 2: Convert to fraction form
    26,981.30/37,237.86 = 15,500.70/x
  3. Step 3: Cross multiply
    26,981.30x = 37,237.86 × 15,500.70
  4. Step 4: Simplify right side
    26,981.30x = 577,212,896.50
  5. Step 5: Solve for x
    x = 577,212,896.50/26,981.30
  6. Step 6: Final answer
    x = 21,393.07

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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.