Home / 28,264.75-39,000.81-16,325.80

Finding the Fourth Proportional to 28,264.75, 39,000.81 and 16,325.80

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Solution

The fourth proportional to 28,264.75, 39,000.81 and 16,325.80 is: 22,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.75 : 39,000.81 = 16,325.80 : x
  2. Step 2: Convert to fraction form
    28,264.75/39,000.81 = 16,325.80/x
  3. Step 3: Cross multiply
    28,264.75x = 39,000.81 × 16,325.80
  4. Step 4: Simplify right side
    28,264.75x = 636,719,423.90
  5. Step 5: Solve for x
    x = 636,719,423.90/28,264.75
  6. Step 6: Final answer
    x = 22,526.98

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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.