Home / 22,390.05-30,892.95-14,422.89

Finding the Fourth Proportional to 22,390.05, 30,892.95 and 14,422.89

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Solution

The fourth proportional to 22,390.05, 30,892.95 and 14,422.89 is: 19,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.05 : 30,892.95 = 14,422.89 : x
  2. Step 2: Convert to fraction form
    22,390.05/30,892.95 = 14,422.89/x
  3. Step 3: Cross multiply
    22,390.05x = 30,892.95 × 14,422.89
  4. Step 4: Simplify right side
    22,390.05x = 445,565,619.63
  5. Step 5: Solve for x
    x = 445,565,619.63/22,390.05
  6. Step 6: Final answer
    x = 19,900.16

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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.