Home / 28,240.77-42,360.44-7,464.45

Finding the Fourth Proportional to 28,240.77, 42,360.44 and 7,464.45

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Solution

The fourth proportional to 28,240.77, 42,360.44 and 7,464.45 is: 11,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.77 : 42,360.44 = 7,464.45 : x
  2. Step 2: Convert to fraction form
    28,240.77/42,360.44 = 7,464.45/x
  3. Step 3: Cross multiply
    28,240.77x = 42,360.44 × 7,464.45
  4. Step 4: Simplify right side
    28,240.77x = 316,197,349.04
  5. Step 5: Solve for x
    x = 316,197,349.04/28,240.77
  6. Step 6: Final answer
    x = 11,196.48

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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.