Home / 26,908.76-40,347.95-12,872.16

Finding the Fourth Proportional to 26,908.76, 40,347.95 and 12,872.16

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Solution

The fourth proportional to 26,908.76, 40,347.95 and 12,872.16 is: 19,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.76 : 40,347.95 = 12,872.16 : x
  2. Step 2: Convert to fraction form
    26,908.76/40,347.95 = 12,872.16/x
  3. Step 3: Cross multiply
    26,908.76x = 40,347.95 × 12,872.16
  4. Step 4: Simplify right side
    26,908.76x = 519,365,203.71
  5. Step 5: Solve for x
    x = 519,365,203.71/26,908.76
  6. Step 6: Final answer
    x = 19,300.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.