Home / 31,547.40-47,327.63-12,827.44

Finding the Fourth Proportional to 31,547.40, 47,327.63 and 12,827.44

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Solution

The fourth proportional to 31,547.40, 47,327.63 and 12,827.44 is: 19,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.40 : 47,327.63 = 12,827.44 : x
  2. Step 2: Convert to fraction form
    31,547.40/47,327.63 = 12,827.44/x
  3. Step 3: Cross multiply
    31,547.40x = 47,327.63 × 12,827.44
  4. Step 4: Simplify right side
    31,547.40x = 607,092,366.24
  5. Step 5: Solve for x
    x = 607,092,366.24/31,547.40
  6. Step 6: Final answer
    x = 19,243.81

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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.