Home / 28,225.68-38,862.56-23,968.32

Finding the Fourth Proportional to 28,225.68, 38,862.56 and 23,968.32

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Solution

The fourth proportional to 28,225.68, 38,862.56 and 23,968.32 is: 33,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.68 : 38,862.56 = 23,968.32 : x
  2. Step 2: Convert to fraction form
    28,225.68/38,862.56 = 23,968.32/x
  3. Step 3: Cross multiply
    28,225.68x = 38,862.56 × 23,968.32
  4. Step 4: Simplify right side
    28,225.68x = 931,470,274.10
  5. Step 5: Solve for x
    x = 931,470,274.10/28,225.68
  6. Step 6: Final answer
    x = 33,000.81

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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.