Home / 26,988.90-40,473.62-11,407.74

Finding the Fourth Proportional to 26,988.90, 40,473.62 and 11,407.74

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Solution

The fourth proportional to 26,988.90, 40,473.62 and 11,407.74 is: 17,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.90 : 40,473.62 = 11,407.74 : x
  2. Step 2: Convert to fraction form
    26,988.90/40,473.62 = 11,407.74/x
  3. Step 3: Cross multiply
    26,988.90x = 40,473.62 × 11,407.74
  4. Step 4: Simplify right side
    26,988.90x = 461,712,533.82
  5. Step 5: Solve for x
    x = 461,712,533.82/26,988.90
  6. Step 6: Final answer
    x = 17,107.50

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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.