Home / 25,810.16-35,620.06-15,201.86

Finding the Fourth Proportional to 25,810.16, 35,620.06 and 15,201.86

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Solution

The fourth proportional to 25,810.16, 35,620.06 and 15,201.86 is: 20,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.16 : 35,620.06 = 15,201.86 : x
  2. Step 2: Convert to fraction form
    25,810.16/35,620.06 = 15,201.86/x
  3. Step 3: Cross multiply
    25,810.16x = 35,620.06 × 15,201.86
  4. Step 4: Simplify right side
    25,810.16x = 541,491,165.31
  5. Step 5: Solve for x
    x = 541,491,165.31/25,810.16
  6. Step 6: Final answer
    x = 20,979.77

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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.