Home / 32,427.20-48,640.80-16,875.20

Finding the Fourth Proportional to 32,427.20, 48,640.80 and 16,875.20

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Solution

The fourth proportional to 32,427.20, 48,640.80 and 16,875.20 is: 25,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,427.20 : 48,640.80 = 16,875.20 : x
  2. Step 2: Convert to fraction form
    32,427.20/48,640.80 = 16,875.20/x
  3. Step 3: Cross multiply
    32,427.20x = 48,640.80 × 16,875.20
  4. Step 4: Simplify right side
    32,427.20x = 820,823,228.16
  5. Step 5: Solve for x
    x = 820,823,228.16/32,427.20
  6. Step 6: Final answer
    x = 25,312.80

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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.