Home / 28,227.18-38,952.12-16,294.32

Finding the Fourth Proportional to 28,227.18, 38,952.12 and 16,294.32

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Solution

The fourth proportional to 28,227.18, 38,952.12 and 16,294.32 is: 22,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.18 : 38,952.12 = 16,294.32 : x
  2. Step 2: Convert to fraction form
    28,227.18/38,952.12 = 16,294.32/x
  3. Step 3: Cross multiply
    28,227.18x = 38,952.12 × 16,294.32
  4. Step 4: Simplify right side
    28,227.18x = 634,698,307.96
  5. Step 5: Solve for x
    x = 634,698,307.96/28,227.18
  6. Step 6: Final answer
    x = 22,485.36

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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.