Home / 28,252.84-42,374.94-7,477.96

Finding the Fourth Proportional to 28,252.84, 42,374.94 and 7,477.96

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Solution

The fourth proportional to 28,252.84, 42,374.94 and 7,477.96 is: 11,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.84 : 42,374.94 = 7,477.96 : x
  2. Step 2: Convert to fraction form
    28,252.84/42,374.94 = 7,477.96/x
  3. Step 3: Cross multiply
    28,252.84x = 42,374.94 × 7,477.96
  4. Step 4: Simplify right side
    28,252.84x = 316,878,106.32
  5. Step 5: Solve for x
    x = 316,878,106.32/28,252.84
  6. Step 6: Final answer
    x = 11,215.80

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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.