Home / 26,648.40-36,770.54-15,315.68

Finding the Fourth Proportional to 26,648.40, 36,770.54 and 15,315.68

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Solution

The fourth proportional to 26,648.40, 36,770.54 and 15,315.68 is: 21,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.40 : 36,770.54 = 15,315.68 : x
  2. Step 2: Convert to fraction form
    26,648.40/36,770.54 = 15,315.68/x
  3. Step 3: Cross multiply
    26,648.40x = 36,770.54 × 15,315.68
  4. Step 4: Simplify right side
    26,648.40x = 563,165,824.07
  5. Step 5: Solve for x
    x = 563,165,824.07/26,648.40
  6. Step 6: Final answer
    x = 21,133.19

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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.