Home / 28,946.10-43,354.35-28,298.10

Finding the Fourth Proportional to 28,946.10, 43,354.35 and 28,298.10

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Solution

The fourth proportional to 28,946.10, 43,354.35 and 28,298.10 is: 42,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.10 : 43,354.35 = 28,298.10 : x
  2. Step 2: Convert to fraction form
    28,946.10/43,354.35 = 28,298.10/x
  3. Step 3: Cross multiply
    28,946.10x = 43,354.35 × 28,298.10
  4. Step 4: Simplify right side
    28,946.10x = 1,226,845,731.74
  5. Step 5: Solve for x
    x = 1,226,845,731.74/28,946.10
  6. Step 6: Final answer
    x = 42,383.80

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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.