Home / 28,306.63-42,460.04-8,585.36

Finding the Fourth Proportional to 28,306.63, 42,460.04 and 8,585.36

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Solution

The fourth proportional to 28,306.63, 42,460.04 and 8,585.36 is: 12,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.63 : 42,460.04 = 8,585.36 : x
  2. Step 2: Convert to fraction form
    28,306.63/42,460.04 = 8,585.36/x
  3. Step 3: Cross multiply
    28,306.63x = 42,460.04 × 8,585.36
  4. Step 4: Simplify right side
    28,306.63x = 364,534,538.18
  5. Step 5: Solve for x
    x = 364,534,538.18/28,306.63
  6. Step 6: Final answer
    x = 12,878.06

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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.