Home / 28,624.41-39,501.83-15,876.71

Finding the Fourth Proportional to 28,624.41, 39,501.83 and 15,876.71

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Solution

The fourth proportional to 28,624.41, 39,501.83 and 15,876.71 is: 21,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,624.41 : 39,501.83 = 15,876.71 : x
  2. Step 2: Convert to fraction form
    28,624.41/39,501.83 = 15,876.71/x
  3. Step 3: Cross multiply
    28,624.41x = 39,501.83 × 15,876.71
  4. Step 4: Simplify right side
    28,624.41x = 627,159,099.38
  5. Step 5: Solve for x
    x = 627,159,099.38/28,624.41
  6. Step 6: Final answer
    x = 21,909.94

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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.