Home / 40,784.05-56,324.69-28,070.06

Finding the Fourth Proportional to 40,784.05, 56,324.69 and 28,070.06

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Solution

The fourth proportional to 40,784.05, 56,324.69 and 28,070.06 is: 38,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784.05 : 56,324.69 = 28,070.06 : x
  2. Step 2: Convert to fraction form
    40,784.05/56,324.69 = 28,070.06/x
  3. Step 3: Cross multiply
    40,784.05x = 56,324.69 × 28,070.06
  4. Step 4: Simplify right side
    40,784.05x = 1,581,037,216.33
  5. Step 5: Solve for x
    x = 1,581,037,216.33/40,784.05
  6. Step 6: Final answer
    x = 38,766.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.