Home / 28,412.17-42,630.82-14,900.11

Finding the Fourth Proportional to 28,412.17, 42,630.82 and 14,900.11

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Solution

The fourth proportional to 28,412.17, 42,630.82 and 14,900.11 is: 22,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.17 : 42,630.82 = 14,900.11 : x
  2. Step 2: Convert to fraction form
    28,412.17/42,630.82 = 14,900.11/x
  3. Step 3: Cross multiply
    28,412.17x = 42,630.82 × 14,900.11
  4. Step 4: Simplify right side
    28,412.17x = 635,203,907.39
  5. Step 5: Solve for x
    x = 635,203,907.39/28,412.17
  6. Step 6: Final answer
    x = 22,356.75

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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.