Home / 28,360.56-39,146.19-16,426.83

Finding the Fourth Proportional to 28,360.56, 39,146.19 and 16,426.83

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Solution

The fourth proportional to 28,360.56, 39,146.19 and 16,426.83 is: 22,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.56 : 39,146.19 = 16,426.83 : x
  2. Step 2: Convert to fraction form
    28,360.56/39,146.19 = 16,426.83/x
  3. Step 3: Cross multiply
    28,360.56x = 39,146.19 × 16,426.83
  4. Step 4: Simplify right side
    28,360.56x = 643,047,808.28
  5. Step 5: Solve for x
    x = 643,047,808.28/28,360.56
  6. Step 6: Final answer
    x = 22,674.02

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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.