Home / 25,318.95-34,939.44-13,988.25

Finding the Fourth Proportional to 25,318.95, 34,939.44 and 13,988.25

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Solution

The fourth proportional to 25,318.95, 34,939.44 and 13,988.25 is: 19,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.95 : 34,939.44 = 13,988.25 : x
  2. Step 2: Convert to fraction form
    25,318.95/34,939.44 = 13,988.25/x
  3. Step 3: Cross multiply
    25,318.95x = 34,939.44 × 13,988.25
  4. Step 4: Simplify right side
    25,318.95x = 488,741,621.58
  5. Step 5: Solve for x
    x = 488,741,621.58/25,318.95
  6. Step 6: Final answer
    x = 19,303.39

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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.