Home / 28,851.42-39,815.55-16,276.17

Finding the Fourth Proportional to 28,851.42, 39,815.55 and 16,276.17

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Solution

The fourth proportional to 28,851.42, 39,815.55 and 16,276.17 is: 22,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.42 : 39,815.55 = 16,276.17 : x
  2. Step 2: Convert to fraction form
    28,851.42/39,815.55 = 16,276.17/x
  3. Step 3: Cross multiply
    28,851.42x = 39,815.55 × 16,276.17
  4. Step 4: Simplify right side
    28,851.42x = 648,044,660.44
  5. Step 5: Solve for x
    x = 648,044,660.44/28,851.42
  6. Step 6: Final answer
    x = 22,461.45

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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.