Home / 25,127.37-34,664.67-15,564.74

Finding the Fourth Proportional to 25,127.37, 34,664.67 and 15,564.74

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Solution

The fourth proportional to 25,127.37, 34,664.67 and 15,564.74 is: 21,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.37 : 34,664.67 = 15,564.74 : x
  2. Step 2: Convert to fraction form
    25,127.37/34,664.67 = 15,564.74/x
  3. Step 3: Cross multiply
    25,127.37x = 34,664.67 × 15,564.74
  4. Step 4: Simplify right side
    25,127.37x = 539,546,402.41
  5. Step 5: Solve for x
    x = 539,546,402.41/25,127.37
  6. Step 6: Final answer
    x = 21,472.46

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1.5x scale

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.