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Finding the Fourth Proportional to 43,392, 65,088 and 10,560

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Solution

The fourth proportional to 43,392, 65,088 and 10,560 is: 15,840

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392 : 65,088 = 10,560 : x
  2. Step 2: Convert to fraction form
    43,392/65,088 = 10,560/x
  3. Step 3: Cross multiply
    43,392x = 65,088 × 10,560
  4. Step 4: Simplify right side
    43,392x = 687,329,280
  5. Step 5: Solve for x
    x = 687,329,280/43,392
  6. Step 6: Final answer
    x = 15,840

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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.