Home / 21,058.56-31,573.44-14,396.16

Finding the Fourth Proportional to 21,058.56, 31,573.44 and 14,396.16

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Solution

The fourth proportional to 21,058.56, 31,573.44 and 14,396.16 is: 21,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.56 : 31,573.44 = 14,396.16 : x
  2. Step 2: Convert to fraction form
    21,058.56/31,573.44 = 14,396.16/x
  3. Step 3: Cross multiply
    21,058.56x = 31,573.44 × 14,396.16
  4. Step 4: Simplify right side
    21,058.56x = 454,536,293.99
  5. Step 5: Solve for x
    x = 454,536,293.99/21,058.56
  6. Step 6: Final answer
    x = 21,584.40

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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.