Home / 28,962.99-43,348.06-21,904.11

Finding the Fourth Proportional to 28,962.99, 43,348.06 and 21,904.11

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Solution

The fourth proportional to 28,962.99, 43,348.06 and 21,904.11 is: 32,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.99 : 43,348.06 = 21,904.11 : x
  2. Step 2: Convert to fraction form
    28,962.99/43,348.06 = 21,904.11/x
  3. Step 3: Cross multiply
    28,962.99x = 43,348.06 × 21,904.11
  4. Step 4: Simplify right side
    28,962.99x = 949,500,674.53
  5. Step 5: Solve for x
    x = 949,500,674.53/28,962.99
  6. Step 6: Final answer
    x = 32,783.24

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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.