Home / 26,806.19-36,970.25-20,106.68

Finding the Fourth Proportional to 26,806.19, 36,970.25 and 20,106.68

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Solution

The fourth proportional to 26,806.19, 36,970.25 and 20,106.68 is: 27,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,806.19 : 36,970.25 = 20,106.68 : x
  2. Step 2: Convert to fraction form
    26,806.19/36,970.25 = 20,106.68/x
  3. Step 3: Cross multiply
    26,806.19x = 36,970.25 × 20,106.68
  4. Step 4: Simplify right side
    26,806.19x = 743,348,700.89
  5. Step 5: Solve for x
    x = 743,348,700.89/26,806.19
  6. Step 6: Final answer
    x = 27,730.49

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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.