Home / 23,180.34-31,988.87-12,570.00

Finding the Fourth Proportional to 23,180.34, 31,988.87 and 12,570.00

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Solution

The fourth proportional to 23,180.34, 31,988.87 and 12,570.00 is: 17,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.34 : 31,988.87 = 12,570.00 : x
  2. Step 2: Convert to fraction form
    23,180.34/31,988.87 = 12,570.00/x
  3. Step 3: Cross multiply
    23,180.34x = 31,988.87 × 12,570.00
  4. Step 4: Simplify right side
    23,180.34x = 402,100,210.87
  5. Step 5: Solve for x
    x = 402,100,210.87/23,180.34
  6. Step 6: Final answer
    x = 17,346.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.