Home / 28,901.58-39,870.99-25,354.14

Finding the Fourth Proportional to 28,901.58, 39,870.99 and 25,354.14

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Solution

The fourth proportional to 28,901.58, 39,870.99 and 25,354.14 is: 34,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.58 : 39,870.99 = 25,354.14 : x
  2. Step 2: Convert to fraction form
    28,901.58/39,870.99 = 25,354.14/x
  3. Step 3: Cross multiply
    28,901.58x = 39,870.99 × 25,354.14
  4. Step 4: Simplify right side
    28,901.58x = 1,010,894,662.40
  5. Step 5: Solve for x
    x = 1,010,894,662.40/28,901.58
  6. Step 6: Final answer
    x = 34,977.14

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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.