Home / 28,767.36-39,709.79-16,834.53

Finding the Fourth Proportional to 28,767.36, 39,709.79 and 16,834.53

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Solution

The fourth proportional to 28,767.36, 39,709.79 and 16,834.53 is: 23,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.36 : 39,709.79 = 16,834.53 : x
  2. Step 2: Convert to fraction form
    28,767.36/39,709.79 = 16,834.53/x
  3. Step 3: Cross multiply
    28,767.36x = 39,709.79 × 16,834.53
  4. Step 4: Simplify right side
    28,767.36x = 668,495,566.88
  5. Step 5: Solve for x
    x = 668,495,566.88/28,767.36
  6. Step 6: Final answer
    x = 23,237.99

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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.