Home / 26,731.71-40,085.96-12,695.76

Finding the Fourth Proportional to 26,731.71, 40,085.96 and 12,695.76

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Solution

The fourth proportional to 26,731.71, 40,085.96 and 12,695.76 is: 19,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.71 : 40,085.96 = 12,695.76 : x
  2. Step 2: Convert to fraction form
    26,731.71/40,085.96 = 12,695.76/x
  3. Step 3: Cross multiply
    26,731.71x = 40,085.96 × 12,695.76
  4. Step 4: Simplify right side
    26,731.71x = 508,921,664.05
  5. Step 5: Solve for x
    x = 508,921,664.05/26,731.71
  6. Step 6: Final answer
    x = 19,038.13

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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.