Home / 28,822.29-42,946.91-25,678.14

Finding the Fourth Proportional to 28,822.29, 42,946.91 and 25,678.14

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Solution

The fourth proportional to 28,822.29, 42,946.91 and 25,678.14 is: 38,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.29 : 42,946.91 = 25,678.14 : x
  2. Step 2: Convert to fraction form
    28,822.29/42,946.91 = 25,678.14/x
  3. Step 3: Cross multiply
    28,822.29x = 42,946.91 × 25,678.14
  4. Step 4: Simplify right side
    28,822.29x = 1,102,796,670.69
  5. Step 5: Solve for x
    x = 1,102,796,670.69/28,822.29
  6. Step 6: Final answer
    x = 38,261.94

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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.