Home / 26,899.95-37,121.25-15,567.87

Finding the Fourth Proportional to 26,899.95, 37,121.25 and 15,567.87

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Solution

The fourth proportional to 26,899.95, 37,121.25 and 15,567.87 is: 21,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,899.95 : 37,121.25 = 15,567.87 : x
  2. Step 2: Convert to fraction form
    26,899.95/37,121.25 = 15,567.87/x
  3. Step 3: Cross multiply
    26,899.95x = 37,121.25 × 15,567.87
  4. Step 4: Simplify right side
    26,899.95x = 577,898,794.24
  5. Step 5: Solve for x
    x = 577,898,794.24/26,899.95
  6. Step 6: Final answer
    x = 21,483.27

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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.