Home / 25,528.89-35,219.77-14,771.79

Finding the Fourth Proportional to 25,528.89, 35,219.77 and 14,771.79

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Solution

The fourth proportional to 25,528.89, 35,219.77 and 14,771.79 is: 20,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.89 : 35,219.77 = 14,771.79 : x
  2. Step 2: Convert to fraction form
    25,528.89/35,219.77 = 14,771.79/x
  3. Step 3: Cross multiply
    25,528.89x = 35,219.77 × 14,771.79
  4. Step 4: Simplify right side
    25,528.89x = 520,259,046.29
  5. Step 5: Solve for x
    x = 520,259,046.29/25,528.89
  6. Step 6: Final answer
    x = 20,379.23

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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.