Home / 26,643.17-36,768.80-15,316.34

Finding the Fourth Proportional to 26,643.17, 36,768.80 and 15,316.34

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Solution

The fourth proportional to 26,643.17, 36,768.80 and 15,316.34 is: 21,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.17 : 36,768.80 = 15,316.34 : x
  2. Step 2: Convert to fraction form
    26,643.17/36,768.80 = 15,316.34/x
  3. Step 3: Cross multiply
    26,643.17x = 36,768.80 × 15,316.34
  4. Step 4: Simplify right side
    26,643.17x = 563,163,296.64
  5. Step 5: Solve for x
    x = 563,163,296.64/26,643.17
  6. Step 6: Final answer
    x = 21,137.25

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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.