Home / 28,857.95-39,817.21-17,527.13

Finding the Fourth Proportional to 28,857.95, 39,817.21 and 17,527.13

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Solution

The fourth proportional to 28,857.95, 39,817.21 and 17,527.13 is: 24,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.95 : 39,817.21 = 17,527.13 : x
  2. Step 2: Convert to fraction form
    28,857.95/39,817.21 = 17,527.13/x
  3. Step 3: Cross multiply
    28,857.95x = 39,817.21 × 17,527.13
  4. Step 4: Simplify right side
    28,857.95x = 697,881,415.91
  5. Step 5: Solve for x
    x = 697,881,415.91/28,857.95
  6. Step 6: Final answer
    x = 24,183.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.