Home / 28,986.28-39,957.06-23,888.68

Finding the Fourth Proportional to 28,986.28, 39,957.06 and 23,888.68

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Solution

The fourth proportional to 28,986.28, 39,957.06 and 23,888.68 is: 32,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.28 : 39,957.06 = 23,888.68 : x
  2. Step 2: Convert to fraction form
    28,986.28/39,957.06 = 23,888.68/x
  3. Step 3: Cross multiply
    28,986.28x = 39,957.06 × 23,888.68
  4. Step 4: Simplify right side
    28,986.28x = 954,521,420.08
  5. Step 5: Solve for x
    x = 954,521,420.08/28,986.28
  6. Step 6: Final answer
    x = 32,930.11

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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.