Home / 25,615.43-35,349.46-14,285.65

Finding the Fourth Proportional to 25,615.43, 35,349.46 and 14,285.65

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Solution

The fourth proportional to 25,615.43, 35,349.46 and 14,285.65 is: 19,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.43 : 35,349.46 = 14,285.65 : x
  2. Step 2: Convert to fraction form
    25,615.43/35,349.46 = 14,285.65/x
  3. Step 3: Cross multiply
    25,615.43x = 35,349.46 × 14,285.65
  4. Step 4: Simplify right side
    25,615.43x = 504,989,889.16
  5. Step 5: Solve for x
    x = 504,989,889.16/25,615.43
  6. Step 6: Final answer
    x = 19,714.28

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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.