Home / 27,290.31-37,657.58-15,357.75

Finding the Fourth Proportional to 27,290.31, 37,657.58 and 15,357.75

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Solution

The fourth proportional to 27,290.31, 37,657.58 and 15,357.75 is: 21,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.31 : 37,657.58 = 15,357.75 : x
  2. Step 2: Convert to fraction form
    27,290.31/37,657.58 = 15,357.75/x
  3. Step 3: Cross multiply
    27,290.31x = 37,657.58 × 15,357.75
  4. Step 4: Simplify right side
    27,290.31x = 578,335,622.46
  5. Step 5: Solve for x
    x = 578,335,622.46/27,290.31
  6. Step 6: Final answer
    x = 21,191.98

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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.