Home / 25,303.23-34,919.01-13,972.68

Finding the Fourth Proportional to 25,303.23, 34,919.01 and 13,972.68

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Solution

The fourth proportional to 25,303.23, 34,919.01 and 13,972.68 is: 19,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.23 : 34,919.01 = 13,972.68 : x
  2. Step 2: Convert to fraction form
    25,303.23/34,919.01 = 13,972.68/x
  3. Step 3: Cross multiply
    25,303.23x = 34,919.01 × 13,972.68
  4. Step 4: Simplify right side
    25,303.23x = 487,912,152.65
  5. Step 5: Solve for x
    x = 487,912,152.65/25,303.23
  6. Step 6: Final answer
    x = 19,282.60

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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.