Home / 28,946.16-43,422.36-9,217.80

Finding the Fourth Proportional to 28,946.16, 43,422.36 and 9,217.80

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Solution

The fourth proportional to 28,946.16, 43,422.36 and 9,217.80 is: 13,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.16 : 43,422.36 = 9,217.80 : x
  2. Step 2: Convert to fraction form
    28,946.16/43,422.36 = 9,217.80/x
  3. Step 3: Cross multiply
    28,946.16x = 43,422.36 × 9,217.80
  4. Step 4: Simplify right side
    28,946.16x = 400,258,630.01
  5. Step 5: Solve for x
    x = 400,258,630.01/28,946.16
  6. Step 6: Final answer
    x = 13,827.69

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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.