Home / 26,486.40-36,554.46-15,308.40

Finding the Fourth Proportional to 26,486.40, 36,554.46 and 15,308.40

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Solution

The fourth proportional to 26,486.40, 36,554.46 and 15,308.40 is: 21,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.40 : 36,554.46 = 15,308.40 : x
  2. Step 2: Convert to fraction form
    26,486.40/36,554.46 = 15,308.40/x
  3. Step 3: Cross multiply
    26,486.40x = 36,554.46 × 15,308.40
  4. Step 4: Simplify right side
    26,486.40x = 559,590,295.46
  5. Step 5: Solve for x
    x = 559,590,295.46/26,486.40
  6. Step 6: Final answer
    x = 21,127.46

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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.