Home / 28,868.81-39,807.73-25,059.32

Finding the Fourth Proportional to 28,868.81, 39,807.73 and 25,059.32

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Solution

The fourth proportional to 28,868.81, 39,807.73 and 25,059.32 is: 34,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.81 : 39,807.73 = 25,059.32 : x
  2. Step 2: Convert to fraction form
    28,868.81/39,807.73 = 25,059.32/x
  3. Step 3: Cross multiply
    28,868.81x = 39,807.73 × 25,059.32
  4. Step 4: Simplify right side
    28,868.81x = 997,554,779.55
  5. Step 5: Solve for x
    x = 997,554,779.55/28,868.81
  6. Step 6: Final answer
    x = 34,554.77

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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.