Home / 28,816.40-43,225.56-8,038.16

Finding the Fourth Proportional to 28,816.40, 43,225.56 and 8,038.16

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Solution

The fourth proportional to 28,816.40, 43,225.56 and 8,038.16 is: 12,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.40 : 43,225.56 = 8,038.16 : x
  2. Step 2: Convert to fraction form
    28,816.40/43,225.56 = 8,038.16/x
  3. Step 3: Cross multiply
    28,816.40x = 43,225.56 × 8,038.16
  4. Step 4: Simplify right side
    28,816.40x = 347,453,967.37
  5. Step 5: Solve for x
    x = 347,453,967.37/28,816.40
  6. Step 6: Final answer
    x = 12,057.51

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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.