Home / 28,735.50-39,655.59-16,161.18

Finding the Fourth Proportional to 28,735.50, 39,655.59 and 16,161.18

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Solution

The fourth proportional to 28,735.50, 39,655.59 and 16,161.18 is: 22,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.50 : 39,655.59 = 16,161.18 : x
  2. Step 2: Convert to fraction form
    28,735.50/39,655.59 = 16,161.18/x
  3. Step 3: Cross multiply
    28,735.50x = 39,655.59 × 16,161.18
  4. Step 4: Simplify right side
    28,735.50x = 640,881,128.00
  5. Step 5: Solve for x
    x = 640,881,128.00/28,735.50
  6. Step 6: Final answer
    x = 22,302.77

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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.