Home / 25,071.80-34,597.82-15,005.75

Finding the Fourth Proportional to 25,071.80, 34,597.82 and 15,005.75

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Solution

The fourth proportional to 25,071.80, 34,597.82 and 15,005.75 is: 20,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,071.80 : 34,597.82 = 15,005.75 : x
  2. Step 2: Convert to fraction form
    25,071.80/34,597.82 = 15,005.75/x
  3. Step 3: Cross multiply
    25,071.80x = 34,597.82 × 15,005.75
  4. Step 4: Simplify right side
    25,071.80x = 519,166,101.99
  5. Step 5: Solve for x
    x = 519,166,101.99/25,071.80
  6. Step 6: Final answer
    x = 20,707.18

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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.