Home / 28,364.60-42,546.90-13,570.04

Finding the Fourth Proportional to 28,364.60, 42,546.90 and 13,570.04

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Solution

The fourth proportional to 28,364.60, 42,546.90 and 13,570.04 is: 20,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.60 : 42,546.90 = 13,570.04 : x
  2. Step 2: Convert to fraction form
    28,364.60/42,546.90 = 13,570.04/x
  3. Step 3: Cross multiply
    28,364.60x = 42,546.90 × 13,570.04
  4. Step 4: Simplify right side
    28,364.60x = 577,363,134.88
  5. Step 5: Solve for x
    x = 577,363,134.88/28,364.60
  6. Step 6: Final answer
    x = 20,355.06

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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.