Home / 26,973.60-40,438.80-11,378.40

Finding the Fourth Proportional to 26,973.60, 40,438.80 and 11,378.40

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Solution

The fourth proportional to 26,973.60, 40,438.80 and 11,378.40 is: 17,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,973.60 : 40,438.80 = 11,378.40 : x
  2. Step 2: Convert to fraction form
    26,973.60/40,438.80 = 11,378.40/x
  3. Step 3: Cross multiply
    26,973.60x = 40,438.80 × 11,378.40
  4. Step 4: Simplify right side
    26,973.60x = 460,128,841.92
  5. Step 5: Solve for x
    x = 460,128,841.92/26,973.60
  6. Step 6: Final answer
    x = 17,058.49

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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.