Home / 28,622.93-39,490.20-17,288.19

Finding the Fourth Proportional to 28,622.93, 39,490.20 and 17,288.19

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Solution

The fourth proportional to 28,622.93, 39,490.20 and 17,288.19 is: 23,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.93 : 39,490.20 = 17,288.19 : x
  2. Step 2: Convert to fraction form
    28,622.93/39,490.20 = 17,288.19/x
  3. Step 3: Cross multiply
    28,622.93x = 39,490.20 × 17,288.19
  4. Step 4: Simplify right side
    28,622.93x = 682,714,080.74
  5. Step 5: Solve for x
    x = 682,714,080.74/28,622.93
  6. Step 6: Final answer
    x = 23,852.00

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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.