Home / 84,874.02-127,311.63-25,714.05

Finding the Fourth Proportional to 84,874.02, 127,311.63 and 25,714.05

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Solution

The fourth proportional to 84,874.02, 127,311.63 and 25,714.05 is: 38,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,874.02 : 127,311.63 = 25,714.05 : x
  2. Step 2: Convert to fraction form
    84,874.02/127,311.63 = 25,714.05/x
  3. Step 3: Cross multiply
    84,874.02x = 127,311.63 × 25,714.05
  4. Step 4: Simplify right side
    84,874.02x = 3,273,697,619.40
  5. Step 5: Solve for x
    x = 3,273,697,619.40/84,874.02
  6. Step 6: Final answer
    x = 38,571.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.