Home / 19,129.28-28,702.02-10,370.24

Finding the Fourth Proportional to 19,129.28, 28,702.02 and 10,370.24

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Solution

The fourth proportional to 19,129.28, 28,702.02 and 10,370.24 is: 15,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.28 : 28,702.02 = 10,370.24 : x
  2. Step 2: Convert to fraction form
    19,129.28/28,702.02 = 10,370.24/x
  3. Step 3: Cross multiply
    19,129.28x = 28,702.02 × 10,370.24
  4. Step 4: Simplify right side
    19,129.28x = 297,646,835.88
  5. Step 5: Solve for x
    x = 297,646,835.88/19,129.28
  6. Step 6: Final answer
    x = 15,559.75

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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.