Home / 19,021.72-28,542.84-9,024.16

Finding the Fourth Proportional to 19,021.72, 28,542.84 and 9,024.16

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Solution

The fourth proportional to 19,021.72, 28,542.84 and 9,024.16 is: 13,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,021.72 : 28,542.84 = 9,024.16 : x
  2. Step 2: Convert to fraction form
    19,021.72/28,542.84 = 9,024.16/x
  3. Step 3: Cross multiply
    19,021.72x = 28,542.84 × 9,024.16
  4. Step 4: Simplify right side
    19,021.72x = 257,575,155.01
  5. Step 5: Solve for x
    x = 257,575,155.01/19,021.72
  6. Step 6: Final answer
    x = 13,541.11

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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.