Home / 21,486.34-32,166.91-15,964.17

Finding the Fourth Proportional to 21,486.34, 32,166.91 and 15,964.17

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Solution

The fourth proportional to 21,486.34, 32,166.91 and 15,964.17 is: 23,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.34 : 32,166.91 = 15,964.17 : x
  2. Step 2: Convert to fraction form
    21,486.34/32,166.91 = 15,964.17/x
  3. Step 3: Cross multiply
    21,486.34x = 32,166.91 × 15,964.17
  4. Step 4: Simplify right side
    21,486.34x = 513,518,019.61
  5. Step 5: Solve for x
    x = 513,518,019.61/21,486.34
  6. Step 6: Final answer
    x = 23,899.74

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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.