Home / 21,860.33-32,788.67-13,088.84

Finding the Fourth Proportional to 21,860.33, 32,788.67 and 13,088.84

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Solution

The fourth proportional to 21,860.33, 32,788.67 and 13,088.84 is: 19,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.33 : 32,788.67 = 13,088.84 : x
  2. Step 2: Convert to fraction form
    21,860.33/32,788.67 = 13,088.84/x
  3. Step 3: Cross multiply
    21,860.33x = 32,788.67 × 13,088.84
  4. Step 4: Simplify right side
    21,860.33x = 429,165,426.06
  5. Step 5: Solve for x
    x = 429,165,426.06/21,860.33
  6. Step 6: Final answer
    x = 19,632.16

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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.