Home / 25,396.84-38,058.96-14,280.20

Finding the Fourth Proportional to 25,396.84, 38,058.96 and 14,280.20

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Solution

The fourth proportional to 25,396.84, 38,058.96 and 14,280.20 is: 21,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.84 : 38,058.96 = 14,280.20 : x
  2. Step 2: Convert to fraction form
    25,396.84/38,058.96 = 14,280.20/x
  3. Step 3: Cross multiply
    25,396.84x = 38,058.96 × 14,280.20
  4. Step 4: Simplify right side
    25,396.84x = 543,489,566.57
  5. Step 5: Solve for x
    x = 543,489,566.57/25,396.84
  6. Step 6: Final answer
    x = 21,399.89

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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.