Home / 28,675.68-39,572.16-16,100.16

Finding the Fourth Proportional to 28,675.68, 39,572.16 and 16,100.16

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Solution

The fourth proportional to 28,675.68, 39,572.16 and 16,100.16 is: 22,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.68 : 39,572.16 = 16,100.16 : x
  2. Step 2: Convert to fraction form
    28,675.68/39,572.16 = 16,100.16/x
  3. Step 3: Cross multiply
    28,675.68x = 39,572.16 × 16,100.16
  4. Step 4: Simplify right side
    28,675.68x = 637,118,107.55
  5. Step 5: Solve for x
    x = 637,118,107.55/28,675.68
  6. Step 6: Final answer
    x = 22,218.06

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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.