Home / 19,044.72-28,573.02-13,508.91

Finding the Fourth Proportional to 19,044.72, 28,573.02 and 13,508.91

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Solution

The fourth proportional to 19,044.72, 28,573.02 and 13,508.91 is: 20,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,044.72 : 28,573.02 = 13,508.91 : x
  2. Step 2: Convert to fraction form
    19,044.72/28,573.02 = 13,508.91/x
  3. Step 3: Cross multiply
    19,044.72x = 28,573.02 × 13,508.91
  4. Step 4: Simplify right side
    19,044.72x = 385,990,355.61
  5. Step 5: Solve for x
    x = 385,990,355.61/19,044.72
  6. Step 6: Final answer
    x = 20,267.58

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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.