Home / 28,903.36-43,356.72-11,368.48

Finding the Fourth Proportional to 28,903.36, 43,356.72 and 11,368.48

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Solution

The fourth proportional to 28,903.36, 43,356.72 and 11,368.48 is: 17,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.36 : 43,356.72 = 11,368.48 : x
  2. Step 2: Convert to fraction form
    28,903.36/43,356.72 = 11,368.48/x
  3. Step 3: Cross multiply
    28,903.36x = 43,356.72 × 11,368.48
  4. Step 4: Simplify right side
    28,903.36x = 492,900,004.19
  5. Step 5: Solve for x
    x = 492,900,004.19/28,903.36
  6. Step 6: Final answer
    x = 17,053.38

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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.