Home / 25,183.60-34,739.56-15,620.18

Finding the Fourth Proportional to 25,183.60, 34,739.56 and 15,620.18

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Solution

The fourth proportional to 25,183.60, 34,739.56 and 15,620.18 is: 21,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183.60 : 34,739.56 = 15,620.18 : x
  2. Step 2: Convert to fraction form
    25,183.60/34,739.56 = 15,620.18/x
  3. Step 3: Cross multiply
    25,183.60x = 34,739.56 × 15,620.18
  4. Step 4: Simplify right side
    25,183.60x = 542,638,228.12
  5. Step 5: Solve for x
    x = 542,638,228.12/25,183.60
  6. Step 6: Final answer
    x = 21,547.29

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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.