Home / 28,569.46-39,412.76-18,501.14

Finding the Fourth Proportional to 28,569.46, 39,412.76 and 18,501.14

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Solution

The fourth proportional to 28,569.46, 39,412.76 and 18,501.14 is: 25,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.46 : 39,412.76 = 18,501.14 : x
  2. Step 2: Convert to fraction form
    28,569.46/39,412.76 = 18,501.14/x
  3. Step 3: Cross multiply
    28,569.46x = 39,412.76 × 18,501.14
  4. Step 4: Simplify right side
    28,569.46x = 729,180,793.48
  5. Step 5: Solve for x
    x = 729,180,793.48/28,569.46
  6. Step 6: Final answer
    x = 25,523.09

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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.