Home / 26,530.49-36,607.19-15,778.95

Finding the Fourth Proportional to 26,530.49, 36,607.19 and 15,778.95

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Solution

The fourth proportional to 26,530.49, 36,607.19 and 15,778.95 is: 21,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.49 : 36,607.19 = 15,778.95 : x
  2. Step 2: Convert to fraction form
    26,530.49/36,607.19 = 15,778.95/x
  3. Step 3: Cross multiply
    26,530.49x = 36,607.19 × 15,778.95
  4. Step 4: Simplify right side
    26,530.49x = 577,622,941.76
  5. Step 5: Solve for x
    x = 577,622,941.76/26,530.49
  6. Step 6: Final answer
    x = 21,772.05

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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.