Home / 28,360.26-39,137.24-15,613.02

Finding the Fourth Proportional to 28,360.26, 39,137.24 and 15,613.02

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Solution

The fourth proportional to 28,360.26, 39,137.24 and 15,613.02 is: 21,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.26 : 39,137.24 = 15,613.02 : x
  2. Step 2: Convert to fraction form
    28,360.26/39,137.24 = 15,613.02/x
  3. Step 3: Cross multiply
    28,360.26x = 39,137.24 × 15,613.02
  4. Step 4: Simplify right side
    28,360.26x = 611,050,549.90
  5. Step 5: Solve for x
    x = 611,050,549.90/28,360.26
  6. Step 6: Final answer
    x = 21,546.01

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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.