Home / 21,576.51-29,784.80-14,507.03

Finding the Fourth Proportional to 21,576.51, 29,784.80 and 14,507.03

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Solution

The fourth proportional to 21,576.51, 29,784.80 and 14,507.03 is: 20,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.51 : 29,784.80 = 14,507.03 : x
  2. Step 2: Convert to fraction form
    21,576.51/29,784.80 = 14,507.03/x
  3. Step 3: Cross multiply
    21,576.51x = 29,784.80 × 14,507.03
  4. Step 4: Simplify right side
    21,576.51x = 432,089,016.27
  5. Step 5: Solve for x
    x = 432,089,016.27/21,576.51
  6. Step 6: Final answer
    x = 20,025.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.