Home / 26,428.71-36,471.63-14,491.80

Finding the Fourth Proportional to 26,428.71, 36,471.63 and 14,491.80

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Solution

The fourth proportional to 26,428.71, 36,471.63 and 14,491.80 is: 19,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.71 : 36,471.63 = 14,491.80 : x
  2. Step 2: Convert to fraction form
    26,428.71/36,471.63 = 14,491.80/x
  3. Step 3: Cross multiply
    26,428.71x = 36,471.63 × 14,491.80
  4. Step 4: Simplify right side
    26,428.71x = 528,539,567.63
  5. Step 5: Solve for x
    x = 528,539,567.63/26,428.71
  6. Step 6: Final answer
    x = 19,998.69

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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.