Home / 28,119.42-38,812.50-17,502.84

Finding the Fourth Proportional to 28,119.42, 38,812.50 and 17,502.84

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Solution

The fourth proportional to 28,119.42, 38,812.50 and 17,502.84 is: 24,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.42 : 38,812.50 = 17,502.84 : x
  2. Step 2: Convert to fraction form
    28,119.42/38,812.50 = 17,502.84/x
  3. Step 3: Cross multiply
    28,119.42x = 38,812.50 × 17,502.84
  4. Step 4: Simplify right side
    28,119.42x = 679,328,977.50
  5. Step 5: Solve for x
    x = 679,328,977.50/28,119.42
  6. Step 6: Final answer
    x = 24,158.71

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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.