Home / 28,376.34-42,590.78-14,346.27

Finding the Fourth Proportional to 28,376.34, 42,590.78 and 14,346.27

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Solution

The fourth proportional to 28,376.34, 42,590.78 and 14,346.27 is: 21,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.34 : 42,590.78 = 14,346.27 : x
  2. Step 2: Convert to fraction form
    28,376.34/42,590.78 = 14,346.27/x
  3. Step 3: Cross multiply
    28,376.34x = 42,590.78 × 14,346.27
  4. Step 4: Simplify right side
    28,376.34x = 611,018,757.66
  5. Step 5: Solve for x
    x = 611,018,757.66/28,376.34
  6. Step 6: Final answer
    x = 21,532.68

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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.