Home / 28,903.30-39,885.71-16,156.50

Finding the Fourth Proportional to 28,903.30, 39,885.71 and 16,156.50

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Solution

The fourth proportional to 28,903.30, 39,885.71 and 16,156.50 is: 22,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.30 : 39,885.71 = 16,156.50 : x
  2. Step 2: Convert to fraction form
    28,903.30/39,885.71 = 16,156.50/x
  3. Step 3: Cross multiply
    28,903.30x = 39,885.71 × 16,156.50
  4. Step 4: Simplify right side
    28,903.30x = 644,413,473.62
  5. Step 5: Solve for x
    x = 644,413,473.62/28,903.30
  6. Step 6: Final answer
    x = 22,295.50

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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.