Home / 28,758.03-39,685.10-16,180.35

Finding the Fourth Proportional to 28,758.03, 39,685.10 and 16,180.35

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Solution

The fourth proportional to 28,758.03, 39,685.10 and 16,180.35 is: 22,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.03 : 39,685.10 = 16,180.35 : x
  2. Step 2: Convert to fraction form
    28,758.03/39,685.10 = 16,180.35/x
  3. Step 3: Cross multiply
    28,758.03x = 39,685.10 × 16,180.35
  4. Step 4: Simplify right side
    28,758.03x = 642,118,807.79
  5. Step 5: Solve for x
    x = 642,118,807.79/28,758.03
  6. Step 6: Final answer
    x = 22,328.33

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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.