Home / 28,376.43-42,590.88-14,346.33

Finding the Fourth Proportional to 28,376.43, 42,590.88 and 14,346.33

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Solution

The fourth proportional to 28,376.43, 42,590.88 and 14,346.33 is: 21,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.43 : 42,590.88 = 14,346.33 : x
  2. Step 2: Convert to fraction form
    28,376.43/42,590.88 = 14,346.33/x
  3. Step 3: Cross multiply
    28,376.43x = 42,590.88 × 14,346.33
  4. Step 4: Simplify right side
    28,376.43x = 611,022,819.47
  5. Step 5: Solve for x
    x = 611,022,819.47/28,376.43
  6. Step 6: Final answer
    x = 21,532.76

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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.