Home / 28,434.24-42,638.40-14,592.96

Finding the Fourth Proportional to 28,434.24, 42,638.40 and 14,592.96

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Solution

The fourth proportional to 28,434.24, 42,638.40 and 14,592.96 is: 21,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.24 : 42,638.40 = 14,592.96 : x
  2. Step 2: Convert to fraction form
    28,434.24/42,638.40 = 14,592.96/x
  3. Step 3: Cross multiply
    28,434.24x = 42,638.40 × 14,592.96
  4. Step 4: Simplify right side
    28,434.24x = 622,220,465.66
  5. Step 5: Solve for x
    x = 622,220,465.66/28,434.24
  6. Step 6: Final answer
    x = 21,882.79

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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.