Home / 28,823.29-42,948.40-25,679.14

Finding the Fourth Proportional to 28,823.29, 42,948.40 and 25,679.14

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Solution

The fourth proportional to 28,823.29, 42,948.40 and 25,679.14 is: 38,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.29 : 42,948.40 = 25,679.14 : x
  2. Step 2: Convert to fraction form
    28,823.29/42,948.40 = 25,679.14/x
  3. Step 3: Cross multiply
    28,823.29x = 42,948.40 × 25,679.14
  4. Step 4: Simplify right side
    28,823.29x = 1,102,877,976.38
  5. Step 5: Solve for x
    x = 1,102,877,976.38/28,823.29
  6. Step 6: Final answer
    x = 38,263.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.