Home / 22,430.40-33,504.24-21,808.32

Finding the Fourth Proportional to 22,430.40, 33,504.24 and 21,808.32

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Solution

The fourth proportional to 22,430.40, 33,504.24 and 21,808.32 is: 32,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.40 : 33,504.24 = 21,808.32 : x
  2. Step 2: Convert to fraction form
    22,430.40/33,504.24 = 21,808.32/x
  3. Step 3: Cross multiply
    22,430.40x = 33,504.24 × 21,808.32
  4. Step 4: Simplify right side
    22,430.40x = 730,671,187.28
  5. Step 5: Solve for x
    x = 730,671,187.28/22,430.40
  6. Step 6: Final answer
    x = 32,575.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.