Home / 21,620.34-32,430.57-6,038.10

Finding the Fourth Proportional to 21,620.34, 32,430.57 and 6,038.10

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Solution

The fourth proportional to 21,620.34, 32,430.57 and 6,038.10 is: 9,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.34 : 32,430.57 = 6,038.10 : x
  2. Step 2: Convert to fraction form
    21,620.34/32,430.57 = 6,038.10/x
  3. Step 3: Cross multiply
    21,620.34x = 32,430.57 × 6,038.10
  4. Step 4: Simplify right side
    21,620.34x = 195,819,024.72
  5. Step 5: Solve for x
    x = 195,819,024.72/21,620.34
  6. Step 6: Final answer
    x = 9,057.17

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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.