Home / 20,759.41-28,639.25-14,475.43

Finding the Fourth Proportional to 20,759.41, 28,639.25 and 14,475.43

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Solution

The fourth proportional to 20,759.41, 28,639.25 and 14,475.43 is: 19,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759.41 : 28,639.25 = 14,475.43 : x
  2. Step 2: Convert to fraction form
    20,759.41/28,639.25 = 14,475.43/x
  3. Step 3: Cross multiply
    20,759.41x = 28,639.25 × 14,475.43
  4. Step 4: Simplify right side
    20,759.41x = 414,565,315.43
  5. Step 5: Solve for x
    x = 414,565,315.43/20,759.41
  6. Step 6: Final answer
    x = 19,970.00

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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.