Home / 28,715.67-43,082.27-14,685.56

Finding the Fourth Proportional to 28,715.67, 43,082.27 and 14,685.56

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Solution

The fourth proportional to 28,715.67, 43,082.27 and 14,685.56 is: 22,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.67 : 43,082.27 = 14,685.56 : x
  2. Step 2: Convert to fraction form
    28,715.67/43,082.27 = 14,685.56/x
  3. Step 3: Cross multiply
    28,715.67x = 43,082.27 × 14,685.56
  4. Step 4: Simplify right side
    28,715.67x = 632,686,972.18
  5. Step 5: Solve for x
    x = 632,686,972.18/28,715.67
  6. Step 6: Final answer
    x = 22,032.81

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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.