Home / 26,109.31-36,030.60-14,172.39

Finding the Fourth Proportional to 26,109.31, 36,030.60 and 14,172.39

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Solution

The fourth proportional to 26,109.31, 36,030.60 and 14,172.39 is: 19,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.31 : 36,030.60 = 14,172.39 : x
  2. Step 2: Convert to fraction form
    26,109.31/36,030.60 = 14,172.39/x
  3. Step 3: Cross multiply
    26,109.31x = 36,030.60 × 14,172.39
  4. Step 4: Simplify right side
    26,109.31x = 510,639,715.13
  5. Step 5: Solve for x
    x = 510,639,715.13/26,109.31
  6. Step 6: Final answer
    x = 19,557.76

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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.