Home / 28,631.14-39,502.89-18,560.01

Finding the Fourth Proportional to 28,631.14, 39,502.89 and 18,560.01

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Solution

The fourth proportional to 28,631.14, 39,502.89 and 18,560.01 is: 25,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.14 : 39,502.89 = 18,560.01 : x
  2. Step 2: Convert to fraction form
    28,631.14/39,502.89 = 18,560.01/x
  3. Step 3: Cross multiply
    28,631.14x = 39,502.89 × 18,560.01
  4. Step 4: Simplify right side
    28,631.14x = 733,174,033.43
  5. Step 5: Solve for x
    x = 733,174,033.43/28,631.14
  6. Step 6: Final answer
    x = 25,607.57

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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.