Home / 26,000.64-35,877.12-15,390.72

Finding the Fourth Proportional to 26,000.64, 35,877.12 and 15,390.72

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Solution

The fourth proportional to 26,000.64, 35,877.12 and 15,390.72 is: 21,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.64 : 35,877.12 = 15,390.72 : x
  2. Step 2: Convert to fraction form
    26,000.64/35,877.12 = 15,390.72/x
  3. Step 3: Cross multiply
    26,000.64x = 35,877.12 × 15,390.72
  4. Step 4: Simplify right side
    26,000.64x = 552,174,708.33
  5. Step 5: Solve for x
    x = 552,174,708.33/26,000.64
  6. Step 6: Final answer
    x = 21,236.97

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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.