Home / 26,091.47-39,102.60-14,214.78

Finding the Fourth Proportional to 26,091.47, 39,102.60 and 14,214.78

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Solution

The fourth proportional to 26,091.47, 39,102.60 and 14,214.78 is: 21,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,091.47 : 39,102.60 = 14,214.78 : x
  2. Step 2: Convert to fraction form
    26,091.47/39,102.60 = 14,214.78/x
  3. Step 3: Cross multiply
    26,091.47x = 39,102.60 × 14,214.78
  4. Step 4: Simplify right side
    26,091.47x = 555,834,856.43
  5. Step 5: Solve for x
    x = 555,834,856.43/26,091.47
  6. Step 6: Final answer
    x = 21,303.32

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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.