Home / 26,830.40-40,199.92-17,456.16

Finding the Fourth Proportional to 26,830.40, 40,199.92 and 17,456.16

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Solution

The fourth proportional to 26,830.40, 40,199.92 and 17,456.16 is: 26,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.40 : 40,199.92 = 17,456.16 : x
  2. Step 2: Convert to fraction form
    26,830.40/40,199.92 = 17,456.16/x
  3. Step 3: Cross multiply
    26,830.40x = 40,199.92 × 17,456.16
  4. Step 4: Simplify right side
    26,830.40x = 701,736,235.51
  5. Step 5: Solve for x
    x = 701,736,235.51/26,830.40
  6. Step 6: Final answer
    x = 26,154.52

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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.