Home / 28,796.64-39,737.34-15,875.34

Finding the Fourth Proportional to 28,796.64, 39,737.34 and 15,875.34

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Solution

The fourth proportional to 28,796.64, 39,737.34 and 15,875.34 is: 21,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.64 : 39,737.34 = 15,875.34 : x
  2. Step 2: Convert to fraction form
    28,796.64/39,737.34 = 15,875.34/x
  3. Step 3: Cross multiply
    28,796.64x = 39,737.34 × 15,875.34
  4. Step 4: Simplify right side
    28,796.64x = 630,843,783.20
  5. Step 5: Solve for x
    x = 630,843,783.20/28,796.64
  6. Step 6: Final answer
    x = 21,906.85

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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.