Home / 27,475.50-37,921.86-15,539.34

Finding the Fourth Proportional to 27,475.50, 37,921.86 and 15,539.34

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Solution

The fourth proportional to 27,475.50, 37,921.86 and 15,539.34 is: 21,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.50 : 37,921.86 = 15,539.34 : x
  2. Step 2: Convert to fraction form
    27,475.50/37,921.86 = 15,539.34/x
  3. Step 3: Cross multiply
    27,475.50x = 37,921.86 × 15,539.34
  4. Step 4: Simplify right side
    27,475.50x = 589,280,675.97
  5. Step 5: Solve for x
    x = 589,280,675.97/27,475.50
  6. Step 6: Final answer
    x = 21,447.50

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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.