Home / 28,390.23-39,177.95-16,453.26

Finding the Fourth Proportional to 28,390.23, 39,177.95 and 16,453.26

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Solution

The fourth proportional to 28,390.23, 39,177.95 and 16,453.26 is: 22,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,390.23 : 39,177.95 = 16,453.26 : x
  2. Step 2: Convert to fraction form
    28,390.23/39,177.95 = 16,453.26/x
  3. Step 3: Cross multiply
    28,390.23x = 39,177.95 × 16,453.26
  4. Step 4: Simplify right side
    28,390.23x = 644,604,915.35
  5. Step 5: Solve for x
    x = 644,604,915.35/28,390.23
  6. Step 6: Final answer
    x = 22,705.17

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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.