Home / 31,427.16-47,130.74-10,363.28

Finding the Fourth Proportional to 31,427.16, 47,130.74 and 10,363.28

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Solution

The fourth proportional to 31,427.16, 47,130.74 and 10,363.28 is: 15,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.16 : 47,130.74 = 10,363.28 : x
  2. Step 2: Convert to fraction form
    31,427.16/47,130.74 = 10,363.28/x
  3. Step 3: Cross multiply
    31,427.16x = 47,130.74 × 10,363.28
  4. Step 4: Simplify right side
    31,427.16x = 488,429,055.23
  5. Step 5: Solve for x
    x = 488,429,055.23/31,427.16
  6. Step 6: Final answer
    x = 15,541.62

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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.