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Finding the Fourth Proportional to 57,572, 86,358 and 16,020.08

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Solution

The fourth proportional to 57,572, 86,358 and 16,020.08 is: 24,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572 : 86,358 = 16,020.08 : x
  2. Step 2: Convert to fraction form
    57,572/86,358 = 16,020.08/x
  3. Step 3: Cross multiply
    57,572x = 86,358 × 16,020.08
  4. Step 4: Simplify right side
    57,572x = 1,383,462,068.64
  5. Step 5: Solve for x
    x = 1,383,462,068.64/57,572
  6. Step 6: Final answer
    x = 24,030.12

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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.