Home / 27,077.08-37,366.37-15,140.45

Finding the Fourth Proportional to 27,077.08, 37,366.37 and 15,140.45

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Solution

The fourth proportional to 27,077.08, 37,366.37 and 15,140.45 is: 20,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.08 : 37,366.37 = 15,140.45 : x
  2. Step 2: Convert to fraction form
    27,077.08/37,366.37 = 15,140.45/x
  3. Step 3: Cross multiply
    27,077.08x = 37,366.37 × 15,140.45
  4. Step 4: Simplify right side
    27,077.08x = 565,743,507.69
  5. Step 5: Solve for x
    x = 565,743,507.69/27,077.08
  6. Step 6: Final answer
    x = 20,893.82

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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.