Home / 31,391.28-47,002.68-16,569.36

Finding the Fourth Proportional to 31,391.28, 47,002.68 and 16,569.36

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Solution

The fourth proportional to 31,391.28, 47,002.68 and 16,569.36 is: 24,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.28 : 47,002.68 = 16,569.36 : x
  2. Step 2: Convert to fraction form
    31,391.28/47,002.68 = 16,569.36/x
  3. Step 3: Cross multiply
    31,391.28x = 47,002.68 × 16,569.36
  4. Step 4: Simplify right side
    31,391.28x = 778,804,325.88
  5. Step 5: Solve for x
    x = 778,804,325.88/31,391.28
  6. Step 6: Final answer
    x = 24,809.58

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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.