Home / 28,524.40-39,364.44-15,948.40

Finding the Fourth Proportional to 28,524.40, 39,364.44 and 15,948.40

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Solution

The fourth proportional to 28,524.40, 39,364.44 and 15,948.40 is: 22,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.40 : 39,364.44 = 15,948.40 : x
  2. Step 2: Convert to fraction form
    28,524.40/39,364.44 = 15,948.40/x
  3. Step 3: Cross multiply
    28,524.40x = 39,364.44 × 15,948.40
  4. Step 4: Simplify right side
    28,524.40x = 627,799,834.90
  5. Step 5: Solve for x
    x = 627,799,834.90/28,524.40
  6. Step 6: Final answer
    x = 22,009.22

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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.