Home / 26,487.72-36,549.90-15,875.64

Finding the Fourth Proportional to 26,487.72, 36,549.90 and 15,875.64

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Solution

The fourth proportional to 26,487.72, 36,549.90 and 15,875.64 is: 21,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.72 : 36,549.90 = 15,875.64 : x
  2. Step 2: Convert to fraction form
    26,487.72/36,549.90 = 15,875.64/x
  3. Step 3: Cross multiply
    26,487.72x = 36,549.90 × 15,875.64
  4. Step 4: Simplify right side
    26,487.72x = 580,253,054.44
  5. Step 5: Solve for x
    x = 580,253,054.44/26,487.72
  6. Step 6: Final answer
    x = 21,906.49

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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.