Home / 31,628.31-47,426.37-10,560.78

Finding the Fourth Proportional to 31,628.31, 47,426.37 and 10,560.78

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Solution

The fourth proportional to 31,628.31, 47,426.37 and 10,560.78 is: 15,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.31 : 47,426.37 = 10,560.78 : x
  2. Step 2: Convert to fraction form
    31,628.31/47,426.37 = 10,560.78/x
  3. Step 3: Cross multiply
    31,628.31x = 47,426.37 × 10,560.78
  4. Step 4: Simplify right side
    31,628.31x = 500,859,459.77
  5. Step 5: Solve for x
    x = 500,859,459.77/31,628.31
  6. Step 6: Final answer
    x = 15,835.80

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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.