Home / 21,273.51-31,929.93-10,750.92

Finding the Fourth Proportional to 21,273.51, 31,929.93 and 10,750.92

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Solution

The fourth proportional to 21,273.51, 31,929.93 and 10,750.92 is: 16,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.51 : 31,929.93 = 10,750.92 : x
  2. Step 2: Convert to fraction form
    21,273.51/31,929.93 = 10,750.92/x
  3. Step 3: Cross multiply
    21,273.51x = 31,929.93 × 10,750.92
  4. Step 4: Simplify right side
    21,273.51x = 343,276,123.04
  5. Step 5: Solve for x
    x = 343,276,123.04/21,273.51
  6. Step 6: Final answer
    x = 16,136.32

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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.