Home / 26,688-40,038.93-7,968.04

Finding the Fourth Proportional to 26,688, 40,038.93 and 7,968.04

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Solution

The fourth proportional to 26,688, 40,038.93 and 7,968.04 is: 11,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688 : 40,038.93 = 7,968.04 : x
  2. Step 2: Convert to fraction form
    26,688/40,038.93 = 7,968.04/x
  3. Step 3: Cross multiply
    26,688x = 40,038.93 × 7,968.04
  4. Step 4: Simplify right side
    26,688x = 319,031,695.70
  5. Step 5: Solve for x
    x = 319,031,695.70/26,688
  6. Step 6: Final answer
    x = 11,954.13

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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.