Home / 28,597.26-42,848.46-20,235.84

Finding the Fourth Proportional to 28,597.26, 42,848.46 and 20,235.84

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Solution

The fourth proportional to 28,597.26, 42,848.46 and 20,235.84 is: 30,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.26 : 42,848.46 = 20,235.84 : x
  2. Step 2: Convert to fraction form
    28,597.26/42,848.46 = 20,235.84/x
  3. Step 3: Cross multiply
    28,597.26x = 42,848.46 × 20,235.84
  4. Step 4: Simplify right side
    28,597.26x = 867,074,580.81
  5. Step 5: Solve for x
    x = 867,074,580.81/28,597.26
  6. Step 6: Final answer
    x = 30,320.20

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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.