Home / 21,501.08-32,168.17-18,848.63

Finding the Fourth Proportional to 21,501.08, 32,168.17 and 18,848.63

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Solution

The fourth proportional to 21,501.08, 32,168.17 and 18,848.63 is: 28,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.08 : 32,168.17 = 18,848.63 : x
  2. Step 2: Convert to fraction form
    21,501.08/32,168.17 = 18,848.63/x
  3. Step 3: Cross multiply
    21,501.08x = 32,168.17 × 18,848.63
  4. Step 4: Simplify right side
    21,501.08x = 606,325,886.99
  5. Step 5: Solve for x
    x = 606,325,886.99/21,501.08
  6. Step 6: Final answer
    x = 28,199.79

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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.