Home / 28,946.55-39,948.38-16,201.01

Finding the Fourth Proportional to 28,946.55, 39,948.38 and 16,201.01

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Solution

The fourth proportional to 28,946.55, 39,948.38 and 16,201.01 is: 22,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.55 : 39,948.38 = 16,201.01 : x
  2. Step 2: Convert to fraction form
    28,946.55/39,948.38 = 16,201.01/x
  3. Step 3: Cross multiply
    28,946.55x = 39,948.38 × 16,201.01
  4. Step 4: Simplify right side
    28,946.55x = 647,203,823.12
  5. Step 5: Solve for x
    x = 647,203,823.12/28,946.55
  6. Step 6: Final answer
    x = 22,358.59

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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.