Home / 26,030.12-38,954.46-21,295.40

Finding the Fourth Proportional to 26,030.12, 38,954.46 and 21,295.40

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Solution

The fourth proportional to 26,030.12, 38,954.46 and 21,295.40 is: 31,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,030.12 : 38,954.46 = 21,295.40 : x
  2. Step 2: Convert to fraction form
    26,030.12/38,954.46 = 21,295.40/x
  3. Step 3: Cross multiply
    26,030.12x = 38,954.46 × 21,295.40
  4. Step 4: Simplify right side
    26,030.12x = 829,550,807.48
  5. Step 5: Solve for x
    x = 829,550,807.48/26,030.12
  6. Step 6: Final answer
    x = 31,868.88

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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.