Home / 28,578.72-42,881.04-14,737.44

Finding the Fourth Proportional to 28,578.72, 42,881.04 and 14,737.44

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Solution

The fourth proportional to 28,578.72, 42,881.04 and 14,737.44 is: 22,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,578.72 : 42,881.04 = 14,737.44 : x
  2. Step 2: Convert to fraction form
    28,578.72/42,881.04 = 14,737.44/x
  3. Step 3: Cross multiply
    28,578.72x = 42,881.04 × 14,737.44
  4. Step 4: Simplify right side
    28,578.72x = 631,956,754.14
  5. Step 5: Solve for x
    x = 631,956,754.14/28,578.72
  6. Step 6: Final answer
    x = 22,112.84

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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.