Home / 22,699.64-31,307.76-19,353.53

Finding the Fourth Proportional to 22,699.64, 31,307.76 and 19,353.53

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Solution

The fourth proportional to 22,699.64, 31,307.76 and 19,353.53 is: 26,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.64 : 31,307.76 = 19,353.53 : x
  2. Step 2: Convert to fraction form
    22,699.64/31,307.76 = 19,353.53/x
  3. Step 3: Cross multiply
    22,699.64x = 31,307.76 × 19,353.53
  4. Step 4: Simplify right side
    22,699.64x = 605,915,515.85
  5. Step 5: Solve for x
    x = 605,915,515.85/22,699.64
  6. Step 6: Final answer
    x = 26,692.74

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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.