Home / 28,036.95-41,995.12-13,223.67

Finding the Fourth Proportional to 28,036.95, 41,995.12 and 13,223.67

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Solution

The fourth proportional to 28,036.95, 41,995.12 and 13,223.67 is: 19,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.95 : 41,995.12 = 13,223.67 : x
  2. Step 2: Convert to fraction form
    28,036.95/41,995.12 = 13,223.67/x
  3. Step 3: Cross multiply
    28,036.95x = 41,995.12 × 13,223.67
  4. Step 4: Simplify right side
    28,036.95x = 555,329,608.49
  5. Step 5: Solve for x
    x = 555,329,608.49/28,036.95
  6. Step 6: Final answer
    x = 19,807.06

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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.