Home / 28,798.20-39,741.57-16,859.16

Finding the Fourth Proportional to 28,798.20, 39,741.57 and 16,859.16

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Solution

The fourth proportional to 28,798.20, 39,741.57 and 16,859.16 is: 23,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.20 : 39,741.57 = 16,859.16 : x
  2. Step 2: Convert to fraction form
    28,798.20/39,741.57 = 16,859.16/x
  3. Step 3: Cross multiply
    28,798.20x = 39,741.57 × 16,859.16
  4. Step 4: Simplify right side
    28,798.20x = 670,009,487.28
  5. Step 5: Solve for x
    x = 670,009,487.28/28,798.20
  6. Step 6: Final answer
    x = 23,265.67

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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.