Home / 28,228.34-38,943.99-16,289.37

Finding the Fourth Proportional to 28,228.34, 38,943.99 and 16,289.37

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Solution

The fourth proportional to 28,228.34, 38,943.99 and 16,289.37 is: 22,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.34 : 38,943.99 = 16,289.37 : x
  2. Step 2: Convert to fraction form
    28,228.34/38,943.99 = 16,289.37/x
  3. Step 3: Cross multiply
    28,228.34x = 38,943.99 × 16,289.37
  4. Step 4: Simplify right side
    28,228.34x = 634,372,867.67
  5. Step 5: Solve for x
    x = 634,372,867.67/28,228.34
  6. Step 6: Final answer
    x = 22,472.91

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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.