Home / 21,269.02-29,343.33-21,236.21

Finding the Fourth Proportional to 21,269.02, 29,343.33 and 21,236.21

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Solution

The fourth proportional to 21,269.02, 29,343.33 and 21,236.21 is: 29,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.02 : 29,343.33 = 21,236.21 : x
  2. Step 2: Convert to fraction form
    21,269.02/29,343.33 = 21,236.21/x
  3. Step 3: Cross multiply
    21,269.02x = 29,343.33 × 21,236.21
  4. Step 4: Simplify right side
    21,269.02x = 623,141,117.98
  5. Step 5: Solve for x
    x = 623,141,117.98/21,269.02
  6. Step 6: Final answer
    x = 29,298.06

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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.