Home / 21,340.02-32,006.44-7,828.41

Finding the Fourth Proportional to 21,340.02, 32,006.44 and 7,828.41

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Solution

The fourth proportional to 21,340.02, 32,006.44 and 7,828.41 is: 11,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.02 : 32,006.44 = 7,828.41 : x
  2. Step 2: Convert to fraction form
    21,340.02/32,006.44 = 7,828.41/x
  3. Step 3: Cross multiply
    21,340.02x = 32,006.44 × 7,828.41
  4. Step 4: Simplify right side
    21,340.02x = 250,559,440.70
  5. Step 5: Solve for x
    x = 250,559,440.70/21,340.02
  6. Step 6: Final answer
    x = 11,741.29

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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.