Home / 28,394.02-42,595.60-8,667.95

Finding the Fourth Proportional to 28,394.02, 42,595.60 and 8,667.95

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Solution

The fourth proportional to 28,394.02, 42,595.60 and 8,667.95 is: 13,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.02 : 42,595.60 = 8,667.95 : x
  2. Step 2: Convert to fraction form
    28,394.02/42,595.60 = 8,667.95/x
  3. Step 3: Cross multiply
    28,394.02x = 42,595.60 × 8,667.95
  4. Step 4: Simplify right side
    28,394.02x = 369,216,531.02
  5. Step 5: Solve for x
    x = 369,216,531.02/28,394.02
  6. Step 6: Final answer
    x = 13,003.32

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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.