Home / 22,739.49-31,369.41-14,670.95

Finding the Fourth Proportional to 22,739.49, 31,369.41 and 14,670.95

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Solution

The fourth proportional to 22,739.49, 31,369.41 and 14,670.95 is: 20,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.49 : 31,369.41 = 14,670.95 : x
  2. Step 2: Convert to fraction form
    22,739.49/31,369.41 = 14,670.95/x
  3. Step 3: Cross multiply
    22,739.49x = 31,369.41 × 14,670.95
  4. Step 4: Simplify right side
    22,739.49x = 460,218,888.79
  5. Step 5: Solve for x
    x = 460,218,888.79/22,739.49
  6. Step 6: Final answer
    x = 20,238.75

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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.