Home / 25,407.56-35,079.93-19,428.81

Finding the Fourth Proportional to 25,407.56, 35,079.93 and 19,428.81

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Solution

The fourth proportional to 25,407.56, 35,079.93 and 19,428.81 is: 26,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.56 : 35,079.93 = 19,428.81 : x
  2. Step 2: Convert to fraction form
    25,407.56/35,079.93 = 19,428.81/x
  3. Step 3: Cross multiply
    25,407.56x = 35,079.93 × 19,428.81
  4. Step 4: Simplify right side
    25,407.56x = 681,561,294.78
  5. Step 5: Solve for x
    x = 681,561,294.78/25,407.56
  6. Step 6: Final answer
    x = 26,825.14

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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.