Home / 23,038.88-31,795.25-12,968.28

Finding the Fourth Proportional to 23,038.88, 31,795.25 and 12,968.28

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Solution

The fourth proportional to 23,038.88, 31,795.25 and 12,968.28 is: 17,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,038.88 : 31,795.25 = 12,968.28 : x
  2. Step 2: Convert to fraction form
    23,038.88/31,795.25 = 12,968.28/x
  3. Step 3: Cross multiply
    23,038.88x = 31,795.25 × 12,968.28
  4. Step 4: Simplify right side
    23,038.88x = 412,329,639.83
  5. Step 5: Solve for x
    x = 412,329,639.83/23,038.88
  6. Step 6: Final answer
    x = 17,897.13

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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.