Home / 28,052.10-42,041.80-11,392.62

Finding the Fourth Proportional to 28,052.10, 42,041.80 and 11,392.62

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Solution

The fourth proportional to 28,052.10, 42,041.80 and 11,392.62 is: 17,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.10 : 42,041.80 = 11,392.62 : x
  2. Step 2: Convert to fraction form
    28,052.10/42,041.80 = 11,392.62/x
  3. Step 3: Cross multiply
    28,052.10x = 42,041.80 × 11,392.62
  4. Step 4: Simplify right side
    28,052.10x = 478,966,251.52
  5. Step 5: Solve for x
    x = 478,966,251.52/28,052.10
  6. Step 6: Final answer
    x = 17,074.17

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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.