Home / 19,040.22-28,543.38-9,038.80

Finding the Fourth Proportional to 19,040.22, 28,543.38 and 9,038.80

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Solution

The fourth proportional to 19,040.22, 28,543.38 and 9,038.80 is: 13,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.22 : 28,543.38 = 9,038.80 : x
  2. Step 2: Convert to fraction form
    19,040.22/28,543.38 = 9,038.80/x
  3. Step 3: Cross multiply
    19,040.22x = 28,543.38 × 9,038.80
  4. Step 4: Simplify right side
    19,040.22x = 257,997,903.14
  5. Step 5: Solve for x
    x = 257,997,903.14/19,040.22
  6. Step 6: Final answer
    x = 13,550.15

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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.