Home / 28,814.40-43,222.56-8,036.16

Finding the Fourth Proportional to 28,814.40, 43,222.56 and 8,036.16

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Solution

The fourth proportional to 28,814.40, 43,222.56 and 8,036.16 is: 12,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.40 : 43,222.56 = 8,036.16 : x
  2. Step 2: Convert to fraction form
    28,814.40/43,222.56 = 8,036.16/x
  3. Step 3: Cross multiply
    28,814.40x = 43,222.56 × 8,036.16
  4. Step 4: Simplify right side
    28,814.40x = 347,343,407.77
  5. Step 5: Solve for x
    x = 347,343,407.77/28,814.40
  6. Step 6: Final answer
    x = 12,054.51

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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.