Home / 28,141.02-38,822.90-18,593.96

Finding the Fourth Proportional to 28,141.02, 38,822.90 and 18,593.96

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Solution

The fourth proportional to 28,141.02, 38,822.90 and 18,593.96 is: 25,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141.02 : 38,822.90 = 18,593.96 : x
  2. Step 2: Convert to fraction form
    28,141.02/38,822.90 = 18,593.96/x
  3. Step 3: Cross multiply
    28,141.02x = 38,822.90 × 18,593.96
  4. Step 4: Simplify right side
    28,141.02x = 721,871,162.60
  5. Step 5: Solve for x
    x = 721,871,162.60/28,141.02
  6. Step 6: Final answer
    x = 25,651.92

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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.