Home / 28,004.04-38,646.36-16,069.68

Finding the Fourth Proportional to 28,004.04, 38,646.36 and 16,069.68

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Solution

The fourth proportional to 28,004.04, 38,646.36 and 16,069.68 is: 22,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.04 : 38,646.36 = 16,069.68 : x
  2. Step 2: Convert to fraction form
    28,004.04/38,646.36 = 16,069.68/x
  3. Step 3: Cross multiply
    28,004.04x = 38,646.36 × 16,069.68
  4. Step 4: Simplify right side
    28,004.04x = 621,034,638.36
  5. Step 5: Solve for x
    x = 621,034,638.36/28,004.04
  6. Step 6: Final answer
    x = 22,176.61

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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.