Home / 21,370.56-32,055.84-14,760.64

Finding the Fourth Proportional to 21,370.56, 32,055.84 and 14,760.64

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Solution

The fourth proportional to 21,370.56, 32,055.84 and 14,760.64 is: 22,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.56 : 32,055.84 = 14,760.64 : x
  2. Step 2: Convert to fraction form
    21,370.56/32,055.84 = 14,760.64/x
  3. Step 3: Cross multiply
    21,370.56x = 32,055.84 × 14,760.64
  4. Step 4: Simplify right side
    21,370.56x = 473,164,714.14
  5. Step 5: Solve for x
    x = 473,164,714.14/21,370.56
  6. Step 6: Final answer
    x = 22,140.96

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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.