Home / 28,900.45-39,856.70-24,071.21

Finding the Fourth Proportional to 28,900.45, 39,856.70 and 24,071.21

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Solution

The fourth proportional to 28,900.45, 39,856.70 and 24,071.21 is: 33,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.45 : 39,856.70 = 24,071.21 : x
  2. Step 2: Convert to fraction form
    28,900.45/39,856.70 = 24,071.21/x
  3. Step 3: Cross multiply
    28,900.45x = 39,856.70 × 24,071.21
  4. Step 4: Simplify right side
    28,900.45x = 959,398,935.43
  5. Step 5: Solve for x
    x = 959,398,935.43/28,900.45
  6. Step 6: Final answer
    x = 33,196.68

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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.