Home / 25,497.32-38,164.08-13,621.40

Finding the Fourth Proportional to 25,497.32, 38,164.08 and 13,621.40

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Solution

The fourth proportional to 25,497.32, 38,164.08 and 13,621.40 is: 20,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.32 : 38,164.08 = 13,621.40 : x
  2. Step 2: Convert to fraction form
    25,497.32/38,164.08 = 13,621.40/x
  3. Step 3: Cross multiply
    25,497.32x = 38,164.08 × 13,621.40
  4. Step 4: Simplify right side
    25,497.32x = 519,848,199.31
  5. Step 5: Solve for x
    x = 519,848,199.31/25,497.32
  6. Step 6: Final answer
    x = 20,388.35

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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.