Home / 28,206.77-42,310.46-13,417.19

Finding the Fourth Proportional to 28,206.77, 42,310.46 and 13,417.19

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Solution

The fourth proportional to 28,206.77, 42,310.46 and 13,417.19 is: 20,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.77 : 42,310.46 = 13,417.19 : x
  2. Step 2: Convert to fraction form
    28,206.77/42,310.46 = 13,417.19/x
  3. Step 3: Cross multiply
    28,206.77x = 42,310.46 × 13,417.19
  4. Step 4: Simplify right side
    28,206.77x = 567,687,480.81
  5. Step 5: Solve for x
    x = 567,687,480.81/28,206.77
  6. Step 6: Final answer
    x = 20,125.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.