Home / 22,774.38-31,428.32-12,703.52

Finding the Fourth Proportional to 22,774.38, 31,428.32 and 12,703.52

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Solution

The fourth proportional to 22,774.38, 31,428.32 and 12,703.52 is: 17,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.38 : 31,428.32 = 12,703.52 : x
  2. Step 2: Convert to fraction form
    22,774.38/31,428.32 = 12,703.52/x
  3. Step 3: Cross multiply
    22,774.38x = 31,428.32 × 12,703.52
  4. Step 4: Simplify right side
    22,774.38x = 399,250,071.03
  5. Step 5: Solve for x
    x = 399,250,071.03/22,774.38
  6. Step 6: Final answer
    x = 17,530.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.