Home / 28,004.58-38,646.02-16,069.79

Finding the Fourth Proportional to 28,004.58, 38,646.02 and 16,069.79

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Solution

The fourth proportional to 28,004.58, 38,646.02 and 16,069.79 is: 22,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.58 : 38,646.02 = 16,069.79 : x
  2. Step 2: Convert to fraction form
    28,004.58/38,646.02 = 16,069.79/x
  3. Step 3: Cross multiply
    28,004.58x = 38,646.02 × 16,069.79
  4. Step 4: Simplify right side
    28,004.58x = 621,033,562.53
  5. Step 5: Solve for x
    x = 621,033,562.53/28,004.58
  6. Step 6: Final answer
    x = 22,176.14

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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.