Home / 28,130.94-42,175.40-17,034.93

Finding the Fourth Proportional to 28,130.94, 42,175.40 and 17,034.93

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Solution

The fourth proportional to 28,130.94, 42,175.40 and 17,034.93 is: 25,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130.94 : 42,175.40 = 17,034.93 : x
  2. Step 2: Convert to fraction form
    28,130.94/42,175.40 = 17,034.93/x
  3. Step 3: Cross multiply
    28,130.94x = 42,175.40 × 17,034.93
  4. Step 4: Simplify right side
    28,130.94x = 718,454,901.55
  5. Step 5: Solve for x
    x = 718,454,901.55/28,130.94
  6. Step 6: Final answer
    x = 25,539.67

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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.