Home / 28,180.56-38,886.48-16,847.81

Finding the Fourth Proportional to 28,180.56, 38,886.48 and 16,847.81

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Solution

The fourth proportional to 28,180.56, 38,886.48 and 16,847.81 is: 23,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.56 : 38,886.48 = 16,847.81 : x
  2. Step 2: Convert to fraction form
    28,180.56/38,886.48 = 16,847.81/x
  3. Step 3: Cross multiply
    28,180.56x = 38,886.48 × 16,847.81
  4. Step 4: Simplify right side
    28,180.56x = 655,151,832.18
  5. Step 5: Solve for x
    x = 655,151,832.18/28,180.56
  6. Step 6: Final answer
    x = 23,248.36

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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.