Home / 28,763.00-39,698.43-17,438.67

Finding the Fourth Proportional to 28,763.00, 39,698.43 and 17,438.67

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Solution

The fourth proportional to 28,763.00, 39,698.43 and 17,438.67 is: 24,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.00 : 39,698.43 = 17,438.67 : x
  2. Step 2: Convert to fraction form
    28,763.00/39,698.43 = 17,438.67/x
  3. Step 3: Cross multiply
    28,763.00x = 39,698.43 × 17,438.67
  4. Step 4: Simplify right side
    28,763.00x = 692,287,820.29
  5. Step 5: Solve for x
    x = 692,287,820.29/28,763.00
  6. Step 6: Final answer
    x = 24,068.70

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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.