Home / 26,875.49-40,299.40-12,071.70

Finding the Fourth Proportional to 26,875.49, 40,299.40 and 12,071.70

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Solution

The fourth proportional to 26,875.49, 40,299.40 and 12,071.70 is: 18,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.49 : 40,299.40 = 12,071.70 : x
  2. Step 2: Convert to fraction form
    26,875.49/40,299.40 = 12,071.70/x
  3. Step 3: Cross multiply
    26,875.49x = 40,299.40 × 12,071.70
  4. Step 4: Simplify right side
    26,875.49x = 486,482,266.98
  5. Step 5: Solve for x
    x = 486,482,266.98/26,875.49
  6. Step 6: Final answer
    x = 18,101.34

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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.