Home / 21,004.02-31,506.03-14,410.22

Finding the Fourth Proportional to 21,004.02, 31,506.03 and 14,410.22

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Solution

The fourth proportional to 21,004.02, 31,506.03 and 14,410.22 is: 21,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.02 : 31,506.03 = 14,410.22 : x
  2. Step 2: Convert to fraction form
    21,004.02/31,506.03 = 14,410.22/x
  3. Step 3: Cross multiply
    21,004.02x = 31,506.03 × 14,410.22
  4. Step 4: Simplify right side
    21,004.02x = 454,008,666.10
  5. Step 5: Solve for x
    x = 454,008,666.10/21,004.02
  6. Step 6: Final answer
    x = 21,615.32

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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.