Home / 26,905.97-40,303.37-15,779.15

Finding the Fourth Proportional to 26,905.97, 40,303.37 and 15,779.15

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Solution

The fourth proportional to 26,905.97, 40,303.37 and 15,779.15 is: 23,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.97 : 40,303.37 = 15,779.15 : x
  2. Step 2: Convert to fraction form
    26,905.97/40,303.37 = 15,779.15/x
  3. Step 3: Cross multiply
    26,905.97x = 40,303.37 × 15,779.15
  4. Step 4: Simplify right side
    26,905.97x = 635,953,060.94
  5. Step 5: Solve for x
    x = 635,953,060.94/26,905.97
  6. Step 6: Final answer
    x = 23,636.13

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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.