Home / 26,978.04-37,229.76-15,043.77

Finding the Fourth Proportional to 26,978.04, 37,229.76 and 15,043.77

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Solution

The fourth proportional to 26,978.04, 37,229.76 and 15,043.77 is: 20,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,978.04 : 37,229.76 = 15,043.77 : x
  2. Step 2: Convert to fraction form
    26,978.04/37,229.76 = 15,043.77/x
  3. Step 3: Cross multiply
    26,978.04x = 37,229.76 × 15,043.77
  4. Step 4: Simplify right side
    26,978.04x = 560,075,946.60
  5. Step 5: Solve for x
    x = 560,075,946.60/26,978.04
  6. Step 6: Final answer
    x = 20,760.44

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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.