Home / 25,941.12-35,798.16-15,869.72

Finding the Fourth Proportional to 25,941.12, 35,798.16 and 15,869.72

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Solution

The fourth proportional to 25,941.12, 35,798.16 and 15,869.72 is: 21,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.12 : 35,798.16 = 15,869.72 : x
  2. Step 2: Convert to fraction form
    25,941.12/35,798.16 = 15,869.72/x
  3. Step 3: Cross multiply
    25,941.12x = 35,798.16 × 15,869.72
  4. Step 4: Simplify right side
    25,941.12x = 568,106,775.72
  5. Step 5: Solve for x
    x = 568,106,775.72/25,941.12
  6. Step 6: Final answer
    x = 21,899.86

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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.