Home / 21,589.02-29,598.53-21,195.36

Finding the Fourth Proportional to 21,589.02, 29,598.53 and 21,195.36

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Solution

The fourth proportional to 21,589.02, 29,598.53 and 21,195.36 is: 29,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.02 : 29,598.53 = 21,195.36 : x
  2. Step 2: Convert to fraction form
    21,589.02/29,598.53 = 21,195.36/x
  3. Step 3: Cross multiply
    21,589.02x = 29,598.53 × 21,195.36
  4. Step 4: Simplify right side
    21,589.02x = 627,351,392.84
  5. Step 5: Solve for x
    x = 627,351,392.84/21,589.02
  6. Step 6: Final answer
    x = 29,058.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.