Home / 27,174.95-37,503.10-20,448.64

Finding the Fourth Proportional to 27,174.95, 37,503.10 and 20,448.64

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Solution

The fourth proportional to 27,174.95, 37,503.10 and 20,448.64 is: 28,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.95 : 37,503.10 = 20,448.64 : x
  2. Step 2: Convert to fraction form
    27,174.95/37,503.10 = 20,448.64/x
  3. Step 3: Cross multiply
    27,174.95x = 37,503.10 × 20,448.64
  4. Step 4: Simplify right side
    27,174.95x = 766,887,390.78
  5. Step 5: Solve for x
    x = 766,887,390.78/27,174.95
  6. Step 6: Final answer
    x = 28,220.38

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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.