Home / 23,042.95-31,792.91-12,970.80

Finding the Fourth Proportional to 23,042.95, 31,792.91 and 12,970.80

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Solution

The fourth proportional to 23,042.95, 31,792.91 and 12,970.80 is: 17,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.95 : 31,792.91 = 12,970.80 : x
  2. Step 2: Convert to fraction form
    23,042.95/31,792.91 = 12,970.80/x
  3. Step 3: Cross multiply
    23,042.95x = 31,792.91 × 12,970.80
  4. Step 4: Simplify right side
    23,042.95x = 412,379,412.17
  5. Step 5: Solve for x
    x = 412,379,412.17/23,042.95
  6. Step 6: Final answer
    x = 17,896.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.