Home / 26,946.48-40,427.72-13,808.08

Finding the Fourth Proportional to 26,946.48, 40,427.72 and 13,808.08

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Solution

The fourth proportional to 26,946.48, 40,427.72 and 13,808.08 is: 20,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,946.48 : 40,427.72 = 13,808.08 : x
  2. Step 2: Convert to fraction form
    26,946.48/40,427.72 = 13,808.08/x
  3. Step 3: Cross multiply
    26,946.48x = 40,427.72 × 13,808.08
  4. Step 4: Simplify right side
    26,946.48x = 558,229,191.98
  5. Step 5: Solve for x
    x = 558,229,191.98/26,946.48
  6. Step 6: Final answer
    x = 20,716.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.