Home / 28,290.94-42,445.61-13,497.94

Finding the Fourth Proportional to 28,290.94, 42,445.61 and 13,497.94

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Solution

The fourth proportional to 28,290.94, 42,445.61 and 13,497.94 is: 20,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.94 : 42,445.61 = 13,497.94 : x
  2. Step 2: Convert to fraction form
    28,290.94/42,445.61 = 13,497.94/x
  3. Step 3: Cross multiply
    28,290.94x = 42,445.61 × 13,497.94
  4. Step 4: Simplify right side
    28,290.94x = 572,928,224.67
  5. Step 5: Solve for x
    x = 572,928,224.67/28,290.94
  6. Step 6: Final answer
    x = 20,251.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.