Home / 23,430.03-35,092.77-18,128.98

Finding the Fourth Proportional to 23,430.03, 35,092.77 and 18,128.98

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Solution

The fourth proportional to 23,430.03, 35,092.77 and 18,128.98 is: 27,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.03 : 35,092.77 = 18,128.98 : x
  2. Step 2: Convert to fraction form
    23,430.03/35,092.77 = 18,128.98/x
  3. Step 3: Cross multiply
    23,430.03x = 35,092.77 × 18,128.98
  4. Step 4: Simplify right side
    23,430.03x = 636,196,125.47
  5. Step 5: Solve for x
    x = 636,196,125.47/23,430.03
  6. Step 6: Final answer
    x = 27,153.02

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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.