Home / 22,999.40-31,740.08-12,927.81

Finding the Fourth Proportional to 22,999.40, 31,740.08 and 12,927.81

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Solution

The fourth proportional to 22,999.40, 31,740.08 and 12,927.81 is: 17,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.40 : 31,740.08 = 12,927.81 : x
  2. Step 2: Convert to fraction form
    22,999.40/31,740.08 = 12,927.81/x
  3. Step 3: Cross multiply
    22,999.40x = 31,740.08 × 12,927.81
  4. Step 4: Simplify right side
    22,999.40x = 410,329,658.99
  5. Step 5: Solve for x
    x = 410,329,658.99/22,999.40
  6. Step 6: Final answer
    x = 17,840.89

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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.