Home / 21,471.87-29,624.29-17,486.07

Finding the Fourth Proportional to 21,471.87, 29,624.29 and 17,486.07

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Solution

The fourth proportional to 21,471.87, 29,624.29 and 17,486.07 is: 24,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.87 : 29,624.29 = 17,486.07 : x
  2. Step 2: Convert to fraction form
    21,471.87/29,624.29 = 17,486.07/x
  3. Step 3: Cross multiply
    21,471.87x = 29,624.29 × 17,486.07
  4. Step 4: Simplify right side
    21,471.87x = 518,012,408.64
  5. Step 5: Solve for x
    x = 518,012,408.64/21,471.87
  6. Step 6: Final answer
    x = 24,125.17

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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.