Home / 28,859.07-43,292.27-9,130.50

Finding the Fourth Proportional to 28,859.07, 43,292.27 and 9,130.50

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Solution

The fourth proportional to 28,859.07, 43,292.27 and 9,130.50 is: 13,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.07 : 43,292.27 = 9,130.50 : x
  2. Step 2: Convert to fraction form
    28,859.07/43,292.27 = 9,130.50/x
  3. Step 3: Cross multiply
    28,859.07x = 43,292.27 × 9,130.50
  4. Step 4: Simplify right side
    28,859.07x = 395,280,025.58
  5. Step 5: Solve for x
    x = 395,280,025.58/28,859.07
  6. Step 6: Final answer
    x = 13,696.91

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1.5x scale

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.