Home / 22,999.95-31,743.29-12,929.22

Finding the Fourth Proportional to 22,999.95, 31,743.29 and 12,929.22

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Solution

The fourth proportional to 22,999.95, 31,743.29 and 12,929.22 is: 17,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.95 : 31,743.29 = 12,929.22 : x
  2. Step 2: Convert to fraction form
    22,999.95/31,743.29 = 12,929.22/x
  3. Step 3: Cross multiply
    22,999.95x = 31,743.29 × 12,929.22
  4. Step 4: Simplify right side
    22,999.95x = 410,416,012.26
  5. Step 5: Solve for x
    x = 410,416,012.26/22,999.95
  6. Step 6: Final answer
    x = 17,844.21

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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.