Home / 28,077.58-42,116.20-7,017.52

Finding the Fourth Proportional to 28,077.58, 42,116.20 and 7,017.52

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Solution

The fourth proportional to 28,077.58, 42,116.20 and 7,017.52 is: 10,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.58 : 42,116.20 = 7,017.52 : x
  2. Step 2: Convert to fraction form
    28,077.58/42,116.20 = 7,017.52/x
  3. Step 3: Cross multiply
    28,077.58x = 42,116.20 × 7,017.52
  4. Step 4: Simplify right side
    28,077.58x = 295,551,065.24
  5. Step 5: Solve for x
    x = 295,551,065.24/28,077.58
  6. Step 6: Final answer
    x = 10,526.23

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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.