Home / 28,864.56-43,281.36-14,818.80

Finding the Fourth Proportional to 28,864.56, 43,281.36 and 14,818.80

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Solution

The fourth proportional to 28,864.56, 43,281.36 and 14,818.80 is: 22,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.56 : 43,281.36 = 14,818.80 : x
  2. Step 2: Convert to fraction form
    28,864.56/43,281.36 = 14,818.80/x
  3. Step 3: Cross multiply
    28,864.56x = 43,281.36 × 14,818.80
  4. Step 4: Simplify right side
    28,864.56x = 641,377,817.57
  5. Step 5: Solve for x
    x = 641,377,817.57/28,864.56
  6. Step 6: Final answer
    x = 22,220.25

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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.