Home / 29,638.38-40,904.69-19,437.98

Finding the Fourth Proportional to 29,638.38, 40,904.69 and 19,437.98

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Solution

The fourth proportional to 29,638.38, 40,904.69 and 19,437.98 is: 26,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.38 : 40,904.69 = 19,437.98 : x
  2. Step 2: Convert to fraction form
    29,638.38/40,904.69 = 19,437.98/x
  3. Step 3: Cross multiply
    29,638.38x = 40,904.69 × 19,437.98
  4. Step 4: Simplify right side
    29,638.38x = 795,104,644.22
  5. Step 5: Solve for x
    x = 795,104,644.22/29,638.38
  6. Step 6: Final answer
    x = 26,826.86

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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.