Home / 26,947.80-40,421.70-23,011.20

Finding the Fourth Proportional to 26,947.80, 40,421.70 and 23,011.20

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Solution

The fourth proportional to 26,947.80, 40,421.70 and 23,011.20 is: 34,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.80 : 40,421.70 = 23,011.20 : x
  2. Step 2: Convert to fraction form
    26,947.80/40,421.70 = 23,011.20/x
  3. Step 3: Cross multiply
    26,947.80x = 40,421.70 × 23,011.20
  4. Step 4: Simplify right side
    26,947.80x = 930,151,823.04
  5. Step 5: Solve for x
    x = 930,151,823.04/26,947.80
  6. Step 6: Final answer
    x = 34,516.80

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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.