Home / 28,599.60-39,466.10-15,851.94

Finding the Fourth Proportional to 28,599.60, 39,466.10 and 15,851.94

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Solution

The fourth proportional to 28,599.60, 39,466.10 and 15,851.94 is: 21,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.60 : 39,466.10 = 15,851.94 : x
  2. Step 2: Convert to fraction form
    28,599.60/39,466.10 = 15,851.94/x
  3. Step 3: Cross multiply
    28,599.60x = 39,466.10 × 15,851.94
  4. Step 4: Simplify right side
    28,599.60x = 625,614,249.23
  5. Step 5: Solve for x
    x = 625,614,249.23/28,599.60
  6. Step 6: Final answer
    x = 21,874.93

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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.