Home / 28,360.13-42,512.01-13,551.75

Finding the Fourth Proportional to 28,360.13, 42,512.01 and 13,551.75

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Solution

The fourth proportional to 28,360.13, 42,512.01 and 13,551.75 is: 20,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.13 : 42,512.01 = 13,551.75 : x
  2. Step 2: Convert to fraction form
    28,360.13/42,512.01 = 13,551.75/x
  3. Step 3: Cross multiply
    28,360.13x = 42,512.01 × 13,551.75
  4. Step 4: Simplify right side
    28,360.13x = 576,112,080.70
  5. Step 5: Solve for x
    x = 576,112,080.70/28,360.13
  6. Step 6: Final answer
    x = 20,314.16

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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.