Home / 28,698.18-43,048.04-8,976.74

Finding the Fourth Proportional to 28,698.18, 43,048.04 and 8,976.74

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Solution

The fourth proportional to 28,698.18, 43,048.04 and 8,976.74 is: 13,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.18 : 43,048.04 = 8,976.74 : x
  2. Step 2: Convert to fraction form
    28,698.18/43,048.04 = 8,976.74/x
  3. Step 3: Cross multiply
    28,698.18x = 43,048.04 × 8,976.74
  4. Step 4: Simplify right side
    28,698.18x = 386,430,802.47
  5. Step 5: Solve for x
    x = 386,430,802.47/28,698.18
  6. Step 6: Final answer
    x = 13,465.34

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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.