Home / 27,925.08-38,496.78-19,964.40

Finding the Fourth Proportional to 27,925.08, 38,496.78 and 19,964.40

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Solution

The fourth proportional to 27,925.08, 38,496.78 and 19,964.40 is: 27,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.08 : 38,496.78 = 19,964.40 : x
  2. Step 2: Convert to fraction form
    27,925.08/38,496.78 = 19,964.40/x
  3. Step 3: Cross multiply
    27,925.08x = 38,496.78 × 19,964.40
  4. Step 4: Simplify right side
    27,925.08x = 768,565,114.63
  5. Step 5: Solve for x
    x = 768,565,114.63/27,925.08
  6. Step 6: Final answer
    x = 27,522.40

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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.