Home / 19,064.10-28,628.55-14,139.30

Finding the Fourth Proportional to 19,064.10, 28,628.55 and 14,139.30

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Solution

The fourth proportional to 19,064.10, 28,628.55 and 14,139.30 is: 21,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.10 : 28,628.55 = 14,139.30 : x
  2. Step 2: Convert to fraction form
    19,064.10/28,628.55 = 14,139.30/x
  3. Step 3: Cross multiply
    19,064.10x = 28,628.55 × 14,139.30
  4. Step 4: Simplify right side
    19,064.10x = 404,787,657.02
  5. Step 5: Solve for x
    x = 404,787,657.02/19,064.10
  6. Step 6: Final answer
    x = 21,232.98

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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.