Home / 31,592.96-47,376.27-12,860.28

Finding the Fourth Proportional to 31,592.96, 47,376.27 and 12,860.28

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Solution

The fourth proportional to 31,592.96, 47,376.27 and 12,860.28 is: 19,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.96 : 47,376.27 = 12,860.28 : x
  2. Step 2: Convert to fraction form
    31,592.96/47,376.27 = 12,860.28/x
  3. Step 3: Cross multiply
    31,592.96x = 47,376.27 × 12,860.28
  4. Step 4: Simplify right side
    31,592.96x = 609,272,128.01
  5. Step 5: Solve for x
    x = 609,272,128.01/31,592.96
  6. Step 6: Final answer
    x = 19,285.06

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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.