Home / 21,670.22-29,888.33-14,967.07

Finding the Fourth Proportional to 21,670.22, 29,888.33 and 14,967.07

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Solution

The fourth proportional to 21,670.22, 29,888.33 and 14,967.07 is: 20,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.22 : 29,888.33 = 14,967.07 : x
  2. Step 2: Convert to fraction form
    21,670.22/29,888.33 = 14,967.07/x
  3. Step 3: Cross multiply
    21,670.22x = 29,888.33 × 14,967.07
  4. Step 4: Simplify right side
    21,670.22x = 447,340,577.74
  5. Step 5: Solve for x
    x = 447,340,577.74/21,670.22
  6. Step 6: Final answer
    x = 20,643.10

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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.