Home / 21,827.04-32,746.61-8,688.64

Finding the Fourth Proportional to 21,827.04, 32,746.61 and 8,688.64

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Solution

The fourth proportional to 21,827.04, 32,746.61 and 8,688.64 is: 13,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.04 : 32,746.61 = 8,688.64 : x
  2. Step 2: Convert to fraction form
    21,827.04/32,746.61 = 8,688.64/x
  3. Step 3: Cross multiply
    21,827.04x = 32,746.61 × 8,688.64
  4. Step 4: Simplify right side
    21,827.04x = 284,523,483.79
  5. Step 5: Solve for x
    x = 284,523,483.79/21,827.04
  6. Step 6: Final answer
    x = 13,035.37

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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.