Home / 26,800.82-36,985.12-14,865.98

Finding the Fourth Proportional to 26,800.82, 36,985.12 and 14,865.98

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Solution

The fourth proportional to 26,800.82, 36,985.12 and 14,865.98 is: 20,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,800.82 : 36,985.12 = 14,865.98 : x
  2. Step 2: Convert to fraction form
    26,800.82/36,985.12 = 14,865.98/x
  3. Step 3: Cross multiply
    26,800.82x = 36,985.12 × 14,865.98
  4. Step 4: Simplify right side
    26,800.82x = 549,820,054.22
  5. Step 5: Solve for x
    x = 549,820,054.22/26,800.82
  6. Step 6: Final answer
    x = 20,515.05

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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.