Home / 28,064.30-38,730.62-16,132.39

Finding the Fourth Proportional to 28,064.30, 38,730.62 and 16,132.39

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Solution

The fourth proportional to 28,064.30, 38,730.62 and 16,132.39 is: 22,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.30 : 38,730.62 = 16,132.39 : x
  2. Step 2: Convert to fraction form
    28,064.30/38,730.62 = 16,132.39/x
  3. Step 3: Cross multiply
    28,064.30x = 38,730.62 × 16,132.39
  4. Step 4: Simplify right side
    28,064.30x = 624,817,410.29
  5. Step 5: Solve for x
    x = 624,817,410.29/28,064.30
  6. Step 6: Final answer
    x = 22,263.78

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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.