Home / 25,319.40-34,940.74-14,141.40

Finding the Fourth Proportional to 25,319.40, 34,940.74 and 14,141.40

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Solution

The fourth proportional to 25,319.40, 34,940.74 and 14,141.40 is: 19,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.40 : 34,940.74 = 14,141.40 : x
  2. Step 2: Convert to fraction form
    25,319.40/34,940.74 = 14,141.40/x
  3. Step 3: Cross multiply
    25,319.40x = 34,940.74 × 14,141.40
  4. Step 4: Simplify right side
    25,319.40x = 494,110,980.64
  5. Step 5: Solve for x
    x = 494,110,980.64/25,319.40
  6. Step 6: Final answer
    x = 19,515.11

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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.