Home / 26,778.72-36,908.52-17,810.22

Finding the Fourth Proportional to 26,778.72, 36,908.52 and 17,810.22

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Solution

The fourth proportional to 26,778.72, 36,908.52 and 17,810.22 is: 24,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.72 : 36,908.52 = 17,810.22 : x
  2. Step 2: Convert to fraction form
    26,778.72/36,908.52 = 17,810.22/x
  3. Step 3: Cross multiply
    26,778.72x = 36,908.52 × 17,810.22
  4. Step 4: Simplify right side
    26,778.72x = 657,348,861.07
  5. Step 5: Solve for x
    x = 657,348,861.07/26,778.72
  6. Step 6: Final answer
    x = 24,547.43

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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.