Home / 26,718.13-40,075.98-12,684.88

Finding the Fourth Proportional to 26,718.13, 40,075.98 and 12,684.88

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Solution

The fourth proportional to 26,718.13, 40,075.98 and 12,684.88 is: 19,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.13 : 40,075.98 = 12,684.88 : x
  2. Step 2: Convert to fraction form
    26,718.13/40,075.98 = 12,684.88/x
  3. Step 3: Cross multiply
    26,718.13x = 40,075.98 × 12,684.88
  4. Step 4: Simplify right side
    26,718.13x = 508,358,997.18
  5. Step 5: Solve for x
    x = 508,358,997.18/26,718.13
  6. Step 6: Final answer
    x = 19,026.74

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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.