Home / 28,088.55-42,242.18-25,245.45

Finding the Fourth Proportional to 28,088.55, 42,242.18 and 25,245.45

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Solution

The fourth proportional to 28,088.55, 42,242.18 and 25,245.45 is: 37,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.55 : 42,242.18 = 25,245.45 : x
  2. Step 2: Convert to fraction form
    28,088.55/42,242.18 = 25,245.45/x
  3. Step 3: Cross multiply
    28,088.55x = 42,242.18 × 25,245.45
  4. Step 4: Simplify right side
    28,088.55x = 1,066,422,716.85
  5. Step 5: Solve for x
    x = 1,066,422,716.85/28,088.55
  6. Step 6: Final answer
    x = 37,966.46

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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.