Home / 28,027.19-38,680.22-17,828.93

Finding the Fourth Proportional to 28,027.19, 38,680.22 and 17,828.93

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Solution

The fourth proportional to 28,027.19, 38,680.22 and 17,828.93 is: 24,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.19 : 38,680.22 = 17,828.93 : x
  2. Step 2: Convert to fraction form
    28,027.19/38,680.22 = 17,828.93/x
  3. Step 3: Cross multiply
    28,027.19x = 38,680.22 × 17,828.93
  4. Step 4: Simplify right side
    28,027.19x = 689,626,652.22
  5. Step 5: Solve for x
    x = 689,626,652.22/28,027.19
  6. Step 6: Final answer
    x = 24,605.63

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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.