Home / 25,962.24-35,816.40-20,389.44

Finding the Fourth Proportional to 25,962.24, 35,816.40 and 20,389.44

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Solution

The fourth proportional to 25,962.24, 35,816.40 and 20,389.44 is: 28,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,962.24 : 35,816.40 = 20,389.44 : x
  2. Step 2: Convert to fraction form
    25,962.24/35,816.40 = 20,389.44/x
  3. Step 3: Cross multiply
    25,962.24x = 35,816.40 × 20,389.44
  4. Step 4: Simplify right side
    25,962.24x = 730,276,338.82
  5. Step 5: Solve for x
    x = 730,276,338.82/25,962.24
  6. Step 6: Final answer
    x = 28,128.40

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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.