Home / 21,664.40-32,445.40-14,701.20

Finding the Fourth Proportional to 21,664.40, 32,445.40 and 14,701.20

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Solution

The fourth proportional to 21,664.40, 32,445.40 and 14,701.20 is: 22,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.40 : 32,445.40 = 14,701.20 : x
  2. Step 2: Convert to fraction form
    21,664.40/32,445.40 = 14,701.20/x
  3. Step 3: Cross multiply
    21,664.40x = 32,445.40 × 14,701.20
  4. Step 4: Simplify right side
    21,664.40x = 476,986,314.48
  5. Step 5: Solve for x
    x = 476,986,314.48/21,664.40
  6. Step 6: Final answer
    x = 22,017.06

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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.