Home / 26,733.76-36,901.80-15,407.78

Finding the Fourth Proportional to 26,733.76, 36,901.80 and 15,407.78

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Solution

The fourth proportional to 26,733.76, 36,901.80 and 15,407.78 is: 21,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,733.76 : 36,901.80 = 15,407.78 : x
  2. Step 2: Convert to fraction form
    26,733.76/36,901.80 = 15,407.78/x
  3. Step 3: Cross multiply
    26,733.76x = 36,901.80 × 15,407.78
  4. Step 4: Simplify right side
    26,733.76x = 568,574,631.50
  5. Step 5: Solve for x
    x = 568,574,631.50/26,733.76
  6. Step 6: Final answer
    x = 21,268.04

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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.