Home / 25,069.16-34,579.80-16,128.32

Finding the Fourth Proportional to 25,069.16, 34,579.80 and 16,128.32

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Solution

The fourth proportional to 25,069.16, 34,579.80 and 16,128.32 is: 22,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,069.16 : 34,579.80 = 16,128.32 : x
  2. Step 2: Convert to fraction form
    25,069.16/34,579.80 = 16,128.32/x
  3. Step 3: Cross multiply
    25,069.16x = 34,579.80 × 16,128.32
  4. Step 4: Simplify right side
    25,069.16x = 557,714,079.94
  5. Step 5: Solve for x
    x = 557,714,079.94/25,069.16
  6. Step 6: Final answer
    x = 22,247.02

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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.