Home / 28,941.62-39,895.89-22,643.06

Finding the Fourth Proportional to 28,941.62, 39,895.89 and 22,643.06

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Solution

The fourth proportional to 28,941.62, 39,895.89 and 22,643.06 is: 31,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.62 : 39,895.89 = 22,643.06 : x
  2. Step 2: Convert to fraction form
    28,941.62/39,895.89 = 22,643.06/x
  3. Step 3: Cross multiply
    28,941.62x = 39,895.89 × 22,643.06
  4. Step 4: Simplify right side
    28,941.62x = 903,365,031.02
  5. Step 5: Solve for x
    x = 903,365,031.02/28,941.62
  6. Step 6: Final answer
    x = 31,213.35

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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.