Home / 25,800.72-35,615.88-17,428.56

Finding the Fourth Proportional to 25,800.72, 35,615.88 and 17,428.56

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Solution

The fourth proportional to 25,800.72, 35,615.88 and 17,428.56 is: 24,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.72 : 35,615.88 = 17,428.56 : x
  2. Step 2: Convert to fraction form
    25,800.72/35,615.88 = 17,428.56/x
  3. Step 3: Cross multiply
    25,800.72x = 35,615.88 × 17,428.56
  4. Step 4: Simplify right side
    25,800.72x = 620,733,501.53
  5. Step 5: Solve for x
    x = 620,733,501.53/25,800.72
  6. Step 6: Final answer
    x = 24,058.77

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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.