Home / 25,718.20-35,494.90-16,287.64

Finding the Fourth Proportional to 25,718.20, 35,494.90 and 16,287.64

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Solution

The fourth proportional to 25,718.20, 35,494.90 and 16,287.64 is: 22,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.20 : 35,494.90 = 16,287.64 : x
  2. Step 2: Convert to fraction form
    25,718.20/35,494.90 = 16,287.64/x
  3. Step 3: Cross multiply
    25,718.20x = 35,494.90 × 16,287.64
  4. Step 4: Simplify right side
    25,718.20x = 578,128,153.04
  5. Step 5: Solve for x
    x = 578,128,153.04/25,718.20
  6. Step 6: Final answer
    x = 22,479.34

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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.