Home / 28,081.02-42,107.40-9,354.42

Finding the Fourth Proportional to 28,081.02, 42,107.40 and 9,354.42

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Solution

The fourth proportional to 28,081.02, 42,107.40 and 9,354.42 is: 14,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.02 : 42,107.40 = 9,354.42 : x
  2. Step 2: Convert to fraction form
    28,081.02/42,107.40 = 9,354.42/x
  3. Step 3: Cross multiply
    28,081.02x = 42,107.40 × 9,354.42
  4. Step 4: Simplify right side
    28,081.02x = 393,890,304.71
  5. Step 5: Solve for x
    x = 393,890,304.71/28,081.02
  6. Step 6: Final answer
    x = 14,026.92

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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.