Home / 26,403.84-36,434.88-15,223.68

Finding the Fourth Proportional to 26,403.84, 36,434.88 and 15,223.68

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Solution

The fourth proportional to 26,403.84, 36,434.88 and 15,223.68 is: 21,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.84 : 36,434.88 = 15,223.68 : x
  2. Step 2: Convert to fraction form
    26,403.84/36,434.88 = 15,223.68/x
  3. Step 3: Cross multiply
    26,403.84x = 36,434.88 × 15,223.68
  4. Step 4: Simplify right side
    26,403.84x = 554,672,953.96
  5. Step 5: Solve for x
    x = 554,672,953.96/26,403.84
  6. Step 6: Final answer
    x = 21,007.28

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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.