Home / 25,302.90-34,918.53-13,972.35

Finding the Fourth Proportional to 25,302.90, 34,918.53 and 13,972.35

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Solution

The fourth proportional to 25,302.90, 34,918.53 and 13,972.35 is: 19,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.90 : 34,918.53 = 13,972.35 : x
  2. Step 2: Convert to fraction form
    25,302.90/34,918.53 = 13,972.35/x
  3. Step 3: Cross multiply
    25,302.90x = 34,918.53 × 13,972.35
  4. Step 4: Simplify right side
    25,302.90x = 487,893,922.65
  5. Step 5: Solve for x
    x = 487,893,922.65/25,302.90
  6. Step 6: Final answer
    x = 19,282.13

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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.