Home / 28,377.09-39,156.96-16,276.95

Finding the Fourth Proportional to 28,377.09, 39,156.96 and 16,276.95

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Solution

The fourth proportional to 28,377.09, 39,156.96 and 16,276.95 is: 22,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377.09 : 39,156.96 = 16,276.95 : x
  2. Step 2: Convert to fraction form
    28,377.09/39,156.96 = 16,276.95/x
  3. Step 3: Cross multiply
    28,377.09x = 39,156.96 × 16,276.95
  4. Step 4: Simplify right side
    28,377.09x = 637,355,880.07
  5. Step 5: Solve for x
    x = 637,355,880.07/28,377.09
  6. Step 6: Final answer
    x = 22,460.23

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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.