Home / 27,475.80-37,917.43-15,538.90

Finding the Fourth Proportional to 27,475.80, 37,917.43 and 15,538.90

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Solution

The fourth proportional to 27,475.80, 37,917.43 and 15,538.90 is: 21,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.80 : 37,917.43 = 15,538.90 : x
  2. Step 2: Convert to fraction form
    27,475.80/37,917.43 = 15,538.90/x
  3. Step 3: Cross multiply
    27,475.80x = 37,917.43 × 15,538.90
  4. Step 4: Simplify right side
    27,475.80x = 589,195,153.03
  5. Step 5: Solve for x
    x = 589,195,153.03/27,475.80
  6. Step 6: Final answer
    x = 21,444.15

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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.