Home / 28,853.58-43,166.50-21,853.76

Finding the Fourth Proportional to 28,853.58, 43,166.50 and 21,853.76

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Solution

The fourth proportional to 28,853.58, 43,166.50 and 21,853.76 is: 32,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.58 : 43,166.50 = 21,853.76 : x
  2. Step 2: Convert to fraction form
    28,853.58/43,166.50 = 21,853.76/x
  3. Step 3: Cross multiply
    28,853.58x = 43,166.50 × 21,853.76
  4. Step 4: Simplify right side
    28,853.58x = 943,350,384.32
  5. Step 5: Solve for x
    x = 943,350,384.32/28,853.58
  6. Step 6: Final answer
    x = 32,694.40

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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.