Home / 26,316.60-39,455.70-10,726.20

Finding the Fourth Proportional to 26,316.60, 39,455.70 and 10,726.20

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Solution

The fourth proportional to 26,316.60, 39,455.70 and 10,726.20 is: 16,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316.60 : 39,455.70 = 10,726.20 : x
  2. Step 2: Convert to fraction form
    26,316.60/39,455.70 = 10,726.20/x
  3. Step 3: Cross multiply
    26,316.60x = 39,455.70 × 10,726.20
  4. Step 4: Simplify right side
    26,316.60x = 423,209,729.34
  5. Step 5: Solve for x
    x = 423,209,729.34/26,316.60
  6. Step 6: Final answer
    x = 16,081.47

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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.