Home / 21,152.49-31,729.07-10,056.94

Finding the Fourth Proportional to 21,152.49, 31,729.07 and 10,056.94

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Solution

The fourth proportional to 21,152.49, 31,729.07 and 10,056.94 is: 15,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152.49 : 31,729.07 = 10,056.94 : x
  2. Step 2: Convert to fraction form
    21,152.49/31,729.07 = 10,056.94/x
  3. Step 3: Cross multiply
    21,152.49x = 31,729.07 × 10,056.94
  4. Step 4: Simplify right side
    21,152.49x = 319,097,299.07
  5. Step 5: Solve for x
    x = 319,097,299.07/21,152.49
  6. Step 6: Final answer
    x = 15,085.57

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1.5x scale

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.