Home / 28,277.40-42,464.70-27,402.60

Finding the Fourth Proportional to 28,277.40, 42,464.70 and 27,402.60

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Solution

The fourth proportional to 28,277.40, 42,464.70 and 27,402.60 is: 41,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.40 : 42,464.70 = 27,402.60 : x
  2. Step 2: Convert to fraction form
    28,277.40/42,464.70 = 27,402.60/x
  3. Step 3: Cross multiply
    28,277.40x = 42,464.70 × 27,402.60
  4. Step 4: Simplify right side
    28,277.40x = 1,163,643,188.22
  5. Step 5: Solve for x
    x = 1,163,643,188.22/28,277.40
  6. Step 6: Final answer
    x = 41,151.00

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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.