Home / 26,643.80-36,769.67-15,316.96

Finding the Fourth Proportional to 26,643.80, 36,769.67 and 15,316.96

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Solution

The fourth proportional to 26,643.80, 36,769.67 and 15,316.96 is: 21,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.80 : 36,769.67 = 15,316.96 : x
  2. Step 2: Convert to fraction form
    26,643.80/36,769.67 = 15,316.96/x
  3. Step 3: Cross multiply
    26,643.80x = 36,769.67 × 15,316.96
  4. Step 4: Simplify right side
    26,643.80x = 563,199,564.60
  5. Step 5: Solve for x
    x = 563,199,564.60/26,643.80
  6. Step 6: Final answer
    x = 21,138.11

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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.