Home / 28,031.04-38,688.44-16,102.56

Finding the Fourth Proportional to 28,031.04, 38,688.44 and 16,102.56

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Solution

The fourth proportional to 28,031.04, 38,688.44 and 16,102.56 is: 22,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,031.04 : 38,688.44 = 16,102.56 : x
  2. Step 2: Convert to fraction form
    28,031.04/38,688.44 = 16,102.56/x
  3. Step 3: Cross multiply
    28,031.04x = 38,688.44 × 16,102.56
  4. Step 4: Simplify right side
    28,031.04x = 622,982,926.41
  5. Step 5: Solve for x
    x = 622,982,926.41/28,031.04
  6. Step 6: Final answer
    x = 22,224.75

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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.