Home / 28,527.24-42,780.39-9,801.97

Finding the Fourth Proportional to 28,527.24, 42,780.39 and 9,801.97

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Solution

The fourth proportional to 28,527.24, 42,780.39 and 9,801.97 is: 14,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.24 : 42,780.39 = 9,801.97 : x
  2. Step 2: Convert to fraction form
    28,527.24/42,780.39 = 9,801.97/x
  3. Step 3: Cross multiply
    28,527.24x = 42,780.39 × 9,801.97
  4. Step 4: Simplify right side
    28,527.24x = 419,331,955.66
  5. Step 5: Solve for x
    x = 419,331,955.66/28,527.24
  6. Step 6: Final answer
    x = 14,699.35

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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.