Home / 26,319.84-36,316.80-15,708.84

Finding the Fourth Proportional to 26,319.84, 36,316.80 and 15,708.84

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Solution

The fourth proportional to 26,319.84, 36,316.80 and 15,708.84 is: 21,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.84 : 36,316.80 = 15,708.84 : x
  2. Step 2: Convert to fraction form
    26,319.84/36,316.80 = 15,708.84/x
  3. Step 3: Cross multiply
    26,319.84x = 36,316.80 × 15,708.84
  4. Step 4: Simplify right side
    26,319.84x = 570,494,800.51
  5. Step 5: Solve for x
    x = 570,494,800.51/26,319.84
  6. Step 6: Final answer
    x = 21,675.47

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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.