Home / 28,141.19-42,205.49-8,417.18

Finding the Fourth Proportional to 28,141.19, 42,205.49 and 8,417.18

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Solution

The fourth proportional to 28,141.19, 42,205.49 and 8,417.18 is: 12,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141.19 : 42,205.49 = 8,417.18 : x
  2. Step 2: Convert to fraction form
    28,141.19/42,205.49 = 8,417.18/x
  3. Step 3: Cross multiply
    28,141.19x = 42,205.49 × 8,417.18
  4. Step 4: Simplify right side
    28,141.19x = 355,250,953.20
  5. Step 5: Solve for x
    x = 355,250,953.20/28,141.19
  6. Step 6: Final answer
    x = 12,623.88

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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.