Home / 23,398.94-32,290.16-12,788.40

Finding the Fourth Proportional to 23,398.94, 32,290.16 and 12,788.40

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Solution

The fourth proportional to 23,398.94, 32,290.16 and 12,788.40 is: 17,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.94 : 32,290.16 = 12,788.40 : x
  2. Step 2: Convert to fraction form
    23,398.94/32,290.16 = 12,788.40/x
  3. Step 3: Cross multiply
    23,398.94x = 32,290.16 × 12,788.40
  4. Step 4: Simplify right side
    23,398.94x = 412,939,482.14
  5. Step 5: Solve for x
    x = 412,939,482.14/23,398.94
  6. Step 6: Final answer
    x = 17,647.79

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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.