Home / 22,941.68-31,670.65-15,385.26

Finding the Fourth Proportional to 22,941.68, 31,670.65 and 15,385.26

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Solution

The fourth proportional to 22,941.68, 31,670.65 and 15,385.26 is: 21,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941.68 : 31,670.65 = 15,385.26 : x
  2. Step 2: Convert to fraction form
    22,941.68/31,670.65 = 15,385.26/x
  3. Step 3: Cross multiply
    22,941.68x = 31,670.65 × 15,385.26
  4. Step 4: Simplify right side
    22,941.68x = 487,261,146.16
  5. Step 5: Solve for x
    x = 487,261,146.16/22,941.68
  6. Step 6: Final answer
    x = 21,239.12

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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.