Home / 21,572.19-32,352.35-13,662.84

Finding the Fourth Proportional to 21,572.19, 32,352.35 and 13,662.84

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Solution

The fourth proportional to 21,572.19, 32,352.35 and 13,662.84 is: 20,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.19 : 32,352.35 = 13,662.84 : x
  2. Step 2: Convert to fraction form
    21,572.19/32,352.35 = 13,662.84/x
  3. Step 3: Cross multiply
    21,572.19x = 32,352.35 × 13,662.84
  4. Step 4: Simplify right side
    21,572.19x = 442,024,913.36
  5. Step 5: Solve for x
    x = 442,024,913.36/21,572.19
  6. Step 6: Final answer
    x = 20,490.50

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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.