Home / 19,487.78-26,893.12-10,535.28

Finding the Fourth Proportional to 19,487.78, 26,893.12 and 10,535.28

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Solution

The fourth proportional to 19,487.78, 26,893.12 and 10,535.28 is: 14,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.78 : 26,893.12 = 10,535.28 : x
  2. Step 2: Convert to fraction form
    19,487.78/26,893.12 = 10,535.28/x
  3. Step 3: Cross multiply
    19,487.78x = 26,893.12 × 10,535.28
  4. Step 4: Simplify right side
    19,487.78x = 283,326,496.60
  5. Step 5: Solve for x
    x = 283,326,496.60/19,487.78
  6. Step 6: Final answer
    x = 14,538.68

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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.