Home / 28,903.35-39,886.49-16,156.53

Finding the Fourth Proportional to 28,903.35, 39,886.49 and 16,156.53

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Solution

The fourth proportional to 28,903.35, 39,886.49 and 16,156.53 is: 22,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.35 : 39,886.49 = 16,156.53 : x
  2. Step 2: Convert to fraction form
    28,903.35/39,886.49 = 16,156.53/x
  3. Step 3: Cross multiply
    28,903.35x = 39,886.49 × 16,156.53
  4. Step 4: Simplify right side
    28,903.35x = 644,427,191.50
  5. Step 5: Solve for x
    x = 644,427,191.50/28,903.35
  6. Step 6: Final answer
    x = 22,295.93

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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.