Home / 18,045.40-26,995.20-15,607.30

Finding the Fourth Proportional to 18,045.40, 26,995.20 and 15,607.30

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Solution

The fourth proportional to 18,045.40, 26,995.20 and 15,607.30 is: 23,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.40 : 26,995.20 = 15,607.30 : x
  2. Step 2: Convert to fraction form
    18,045.40/26,995.20 = 15,607.30/x
  3. Step 3: Cross multiply
    18,045.40x = 26,995.20 × 15,607.30
  4. Step 4: Simplify right side
    18,045.40x = 421,322,184.96
  5. Step 5: Solve for x
    x = 421,322,184.96/18,045.40
  6. Step 6: Final answer
    x = 23,347.90

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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.