Home / 28,693.32-43,031.61-11,158.98

Finding the Fourth Proportional to 28,693.32, 43,031.61 and 11,158.98

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Solution

The fourth proportional to 28,693.32, 43,031.61 and 11,158.98 is: 16,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.32 : 43,031.61 = 11,158.98 : x
  2. Step 2: Convert to fraction form
    28,693.32/43,031.61 = 11,158.98/x
  3. Step 3: Cross multiply
    28,693.32x = 43,031.61 × 11,158.98
  4. Step 4: Simplify right side
    28,693.32x = 480,188,875.36
  5. Step 5: Solve for x
    x = 480,188,875.36/28,693.32
  6. Step 6: Final answer
    x = 16,735.21

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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.