Home / 25,942.28-38,888.51-16,555.79

Finding the Fourth Proportional to 25,942.28, 38,888.51 and 16,555.79

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Solution

The fourth proportional to 25,942.28, 38,888.51 and 16,555.79 is: 24,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.28 : 38,888.51 = 16,555.79 : x
  2. Step 2: Convert to fraction form
    25,942.28/38,888.51 = 16,555.79/x
  3. Step 3: Cross multiply
    25,942.28x = 38,888.51 × 16,555.79
  4. Step 4: Simplify right side
    25,942.28x = 643,830,019.42
  5. Step 5: Solve for x
    x = 643,830,019.42/25,942.28
  6. Step 6: Final answer
    x = 24,817.79

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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.