Home / 21,360.74-32,025.71-13,038.80

Finding the Fourth Proportional to 21,360.74, 32,025.71 and 13,038.80

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Solution

The fourth proportional to 21,360.74, 32,025.71 and 13,038.80 is: 19,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.74 : 32,025.71 = 13,038.80 : x
  2. Step 2: Convert to fraction form
    21,360.74/32,025.71 = 13,038.80/x
  3. Step 3: Cross multiply
    21,360.74x = 32,025.71 × 13,038.80
  4. Step 4: Simplify right side
    21,360.74x = 417,576,700.02
  5. Step 5: Solve for x
    x = 417,576,700.02/21,360.74
  6. Step 6: Final answer
    x = 19,548.80

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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.