Home / 26,178.67-39,274.08-13,705.48

Finding the Fourth Proportional to 26,178.67, 39,274.08 and 13,705.48

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Solution

The fourth proportional to 26,178.67, 39,274.08 and 13,705.48 is: 20,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.67 : 39,274.08 = 13,705.48 : x
  2. Step 2: Convert to fraction form
    26,178.67/39,274.08 = 13,705.48/x
  3. Step 3: Cross multiply
    26,178.67x = 39,274.08 × 13,705.48
  4. Step 4: Simplify right side
    26,178.67x = 538,270,117.96
  5. Step 5: Solve for x
    x = 538,270,117.96/26,178.67
  6. Step 6: Final answer
    x = 20,561.40

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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.