Home / 26,220.28-36,187.74-15,609.64

Finding the Fourth Proportional to 26,220.28, 36,187.74 and 15,609.64

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Solution

The fourth proportional to 26,220.28, 36,187.74 and 15,609.64 is: 21,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.28 : 36,187.74 = 15,609.64 : x
  2. Step 2: Convert to fraction form
    26,220.28/36,187.74 = 15,609.64/x
  3. Step 3: Cross multiply
    26,220.28x = 36,187.74 × 15,609.64
  4. Step 4: Simplify right side
    26,220.28x = 564,877,593.81
  5. Step 5: Solve for x
    x = 564,877,593.81/26,220.28
  6. Step 6: Final answer
    x = 21,543.54

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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.