Home / 21,403.56-32,106.26-5,821.19

Finding the Fourth Proportional to 21,403.56, 32,106.26 and 5,821.19

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Solution

The fourth proportional to 21,403.56, 32,106.26 and 5,821.19 is: 8,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.56 : 32,106.26 = 5,821.19 : x
  2. Step 2: Convert to fraction form
    21,403.56/32,106.26 = 5,821.19/x
  3. Step 3: Cross multiply
    21,403.56x = 32,106.26 × 5,821.19
  4. Step 4: Simplify right side
    21,403.56x = 186,896,639.65
  5. Step 5: Solve for x
    x = 186,896,639.65/21,403.56
  6. Step 6: Final answer
    x = 8,732.04

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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.