Home / 28,427.16-42,622.51-11,798.67

Finding the Fourth Proportional to 28,427.16, 42,622.51 and 11,798.67

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Solution

The fourth proportional to 28,427.16, 42,622.51 and 11,798.67 is: 17,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427.16 : 42,622.51 = 11,798.67 : x
  2. Step 2: Convert to fraction form
    28,427.16/42,622.51 = 11,798.67/x
  3. Step 3: Cross multiply
    28,427.16x = 42,622.51 × 11,798.67
  4. Step 4: Simplify right side
    28,427.16x = 502,888,930.06
  5. Step 5: Solve for x
    x = 502,888,930.06/28,427.16
  6. Step 6: Final answer
    x = 17,690.44

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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.