Home / 19,402.72-26,775.48-12,699.52

Finding the Fourth Proportional to 19,402.72, 26,775.48 and 12,699.52

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Solution

The fourth proportional to 19,402.72, 26,775.48 and 12,699.52 is: 17,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.72 : 26,775.48 = 12,699.52 : x
  2. Step 2: Convert to fraction form
    19,402.72/26,775.48 = 12,699.52/x
  3. Step 3: Cross multiply
    19,402.72x = 26,775.48 × 12,699.52
  4. Step 4: Simplify right side
    19,402.72x = 340,035,743.77
  5. Step 5: Solve for x
    x = 340,035,743.77/19,402.72
  6. Step 6: Final answer
    x = 17,525.16

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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.