Home / 28,880.03-39,833.12-18,259.41

Finding the Fourth Proportional to 28,880.03, 39,833.12 and 18,259.41

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Solution

The fourth proportional to 28,880.03, 39,833.12 and 18,259.41 is: 25,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.03 : 39,833.12 = 18,259.41 : x
  2. Step 2: Convert to fraction form
    28,880.03/39,833.12 = 18,259.41/x
  3. Step 3: Cross multiply
    28,880.03x = 39,833.12 × 18,259.41
  4. Step 4: Simplify right side
    28,880.03x = 727,329,178.36
  5. Step 5: Solve for x
    x = 727,329,178.36/28,880.03
  6. Step 6: Final answer
    x = 25,184.51

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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.