Home / 28,814.16-39,765.96-16,240.08

Finding the Fourth Proportional to 28,814.16, 39,765.96 and 16,240.08

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Solution

The fourth proportional to 28,814.16, 39,765.96 and 16,240.08 is: 22,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.16 : 39,765.96 = 16,240.08 : x
  2. Step 2: Convert to fraction form
    28,814.16/39,765.96 = 16,240.08/x
  3. Step 3: Cross multiply
    28,814.16x = 39,765.96 × 16,240.08
  4. Step 4: Simplify right side
    28,814.16x = 645,802,371.68
  5. Step 5: Solve for x
    x = 645,802,371.68/28,814.16
  6. Step 6: Final answer
    x = 22,412.67

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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.