Home / 28,069.43-38,735.85-15,494.18

Finding the Fourth Proportional to 28,069.43, 38,735.85 and 15,494.18

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Solution

The fourth proportional to 28,069.43, 38,735.85 and 15,494.18 is: 21,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.43 : 38,735.85 = 15,494.18 : x
  2. Step 2: Convert to fraction form
    28,069.43/38,735.85 = 15,494.18/x
  3. Step 3: Cross multiply
    28,069.43x = 38,735.85 × 15,494.18
  4. Step 4: Simplify right side
    28,069.43x = 600,180,038.67
  5. Step 5: Solve for x
    x = 600,180,038.67/28,069.43
  6. Step 6: Final answer
    x = 21,381.99

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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.