Home / 22,659.36-31,278.34-19,459.81

Finding the Fourth Proportional to 22,659.36, 31,278.34 and 19,459.81

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Solution

The fourth proportional to 22,659.36, 31,278.34 and 19,459.81 is: 26,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.36 : 31,278.34 = 19,459.81 : x
  2. Step 2: Convert to fraction form
    22,659.36/31,278.34 = 19,459.81/x
  3. Step 3: Cross multiply
    22,659.36x = 31,278.34 × 19,459.81
  4. Step 4: Simplify right side
    22,659.36x = 608,670,426.67
  5. Step 5: Solve for x
    x = 608,670,426.67/22,659.36
  6. Step 6: Final answer
    x = 26,861.77

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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.