Home / 21,225.44-29,280.04-14,417.04

Finding the Fourth Proportional to 21,225.44, 29,280.04 and 14,417.04

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Solution

The fourth proportional to 21,225.44, 29,280.04 and 14,417.04 is: 19,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.44 : 29,280.04 = 14,417.04 : x
  2. Step 2: Convert to fraction form
    21,225.44/29,280.04 = 14,417.04/x
  3. Step 3: Cross multiply
    21,225.44x = 29,280.04 × 14,417.04
  4. Step 4: Simplify right side
    21,225.44x = 422,131,507.88
  5. Step 5: Solve for x
    x = 422,131,507.88/21,225.44
  6. Step 6: Final answer
    x = 19,888.00

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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.