Home / 25,511.36-35,232.57-22,728.40

Finding the Fourth Proportional to 25,511.36, 35,232.57 and 22,728.40

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Solution

The fourth proportional to 25,511.36, 35,232.57 and 22,728.40 is: 31,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.36 : 35,232.57 = 22,728.40 : x
  2. Step 2: Convert to fraction form
    25,511.36/35,232.57 = 22,728.40/x
  3. Step 3: Cross multiply
    25,511.36x = 35,232.57 × 22,728.40
  4. Step 4: Simplify right side
    25,511.36x = 800,779,855.91
  5. Step 5: Solve for x
    x = 800,779,855.91/25,511.36
  6. Step 6: Final answer
    x = 31,389.15

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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.