Home / 25,972.42-35,833.51-15,890.35

Finding the Fourth Proportional to 25,972.42, 35,833.51 and 15,890.35

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Solution

The fourth proportional to 25,972.42, 35,833.51 and 15,890.35 is: 21,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.42 : 35,833.51 = 15,890.35 : x
  2. Step 2: Convert to fraction form
    25,972.42/35,833.51 = 15,890.35/x
  3. Step 3: Cross multiply
    25,972.42x = 35,833.51 × 15,890.35
  4. Step 4: Simplify right side
    25,972.42x = 569,406,757.01
  5. Step 5: Solve for x
    x = 569,406,757.01/25,972.42
  6. Step 6: Final answer
    x = 21,923.52

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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.