Home / 21,541.14-32,319.95-8,402.67

Finding the Fourth Proportional to 21,541.14, 32,319.95 and 8,402.67

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Solution

The fourth proportional to 21,541.14, 32,319.95 and 8,402.67 is: 12,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.14 : 32,319.95 = 8,402.67 : x
  2. Step 2: Convert to fraction form
    21,541.14/32,319.95 = 8,402.67/x
  3. Step 3: Cross multiply
    21,541.14x = 32,319.95 × 8,402.67
  4. Step 4: Simplify right side
    21,541.14x = 271,573,832.25
  5. Step 5: Solve for x
    x = 271,573,832.25/21,541.14
  6. Step 6: Final answer
    x = 12,607.22

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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.