Home / 28,603.40-39,453.30-23,298.44

Finding the Fourth Proportional to 28,603.40, 39,453.30 and 23,298.44

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Solution

The fourth proportional to 28,603.40, 39,453.30 and 23,298.44 is: 32,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.40 : 39,453.30 = 23,298.44 : x
  2. Step 2: Convert to fraction form
    28,603.40/39,453.30 = 23,298.44/x
  3. Step 3: Cross multiply
    28,603.40x = 39,453.30 × 23,298.44
  4. Step 4: Simplify right side
    28,603.40x = 919,200,342.85
  5. Step 5: Solve for x
    x = 919,200,342.85/28,603.40
  6. Step 6: Final answer
    x = 32,136.05

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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.