Home / 21,476.32-29,624.22-14,208.40

Finding the Fourth Proportional to 21,476.32, 29,624.22 and 14,208.40

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Solution

The fourth proportional to 21,476.32, 29,624.22 and 14,208.40 is: 19,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.32 : 29,624.22 = 14,208.40 : x
  2. Step 2: Convert to fraction form
    21,476.32/29,624.22 = 14,208.40/x
  3. Step 3: Cross multiply
    21,476.32x = 29,624.22 × 14,208.40
  4. Step 4: Simplify right side
    21,476.32x = 420,912,767.45
  5. Step 5: Solve for x
    x = 420,912,767.45/21,476.32
  6. Step 6: Final answer
    x = 19,598.92

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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.