Home / 21,527.22-32,291.15-14,178.74

Finding the Fourth Proportional to 21,527.22, 32,291.15 and 14,178.74

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Solution

The fourth proportional to 21,527.22, 32,291.15 and 14,178.74 is: 21,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.22 : 32,291.15 = 14,178.74 : x
  2. Step 2: Convert to fraction form
    21,527.22/32,291.15 = 14,178.74/x
  3. Step 3: Cross multiply
    21,527.22x = 32,291.15 × 14,178.74
  4. Step 4: Simplify right side
    21,527.22x = 457,847,820.15
  5. Step 5: Solve for x
    x = 457,847,820.15/21,527.22
  6. Step 6: Final answer
    x = 21,268.32

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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.