Home / 31,827.36-47,646-26,254.56

Finding the Fourth Proportional to 31,827.36, 47,646 and 26,254.56

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Solution

The fourth proportional to 31,827.36, 47,646 and 26,254.56 is: 39,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.36 : 47,646 = 26,254.56 : x
  2. Step 2: Convert to fraction form
    31,827.36/47,646 = 26,254.56/x
  3. Step 3: Cross multiply
    31,827.36x = 47,646 × 26,254.56
  4. Step 4: Simplify right side
    31,827.36x = 1,250,924,765.76
  5. Step 5: Solve for x
    x = 1,250,924,765.76/31,827.36
  6. Step 6: Final answer
    x = 39,303.44

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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.