Home / 32,128.99-48,192.28-8,436.32

Finding the Fourth Proportional to 32,128.99, 48,192.28 and 8,436.32

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Solution

The fourth proportional to 32,128.99, 48,192.28 and 8,436.32 is: 12,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.99 : 48,192.28 = 8,436.32 : x
  2. Step 2: Convert to fraction form
    32,128.99/48,192.28 = 8,436.32/x
  3. Step 3: Cross multiply
    32,128.99x = 48,192.28 × 8,436.32
  4. Step 4: Simplify right side
    32,128.99x = 406,565,414.28
  5. Step 5: Solve for x
    x = 406,565,414.28/32,128.99
  6. Step 6: Final answer
    x = 12,654.16

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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.