Home / 25,867.09-35,695.56-15,812.34

Finding the Fourth Proportional to 25,867.09, 35,695.56 and 15,812.34

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Solution

The fourth proportional to 25,867.09, 35,695.56 and 15,812.34 is: 21,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.09 : 35,695.56 = 15,812.34 : x
  2. Step 2: Convert to fraction form
    25,867.09/35,695.56 = 15,812.34/x
  3. Step 3: Cross multiply
    25,867.09x = 35,695.56 × 15,812.34
  4. Step 4: Simplify right side
    25,867.09x = 564,430,331.21
  5. Step 5: Solve for x
    x = 564,430,331.21/25,867.09
  6. Step 6: Final answer
    x = 21,820.40

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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.