Home / 25,516.19-35,212.33-14,905.90

Finding the Fourth Proportional to 25,516.19, 35,212.33 and 14,905.90

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Solution

The fourth proportional to 25,516.19, 35,212.33 and 14,905.90 is: 20,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.19 : 35,212.33 = 14,905.90 : x
  2. Step 2: Convert to fraction form
    25,516.19/35,212.33 = 14,905.90/x
  3. Step 3: Cross multiply
    25,516.19x = 35,212.33 × 14,905.90
  4. Step 4: Simplify right side
    25,516.19x = 524,871,219.16
  5. Step 5: Solve for x
    x = 524,871,219.16/25,516.19
  6. Step 6: Final answer
    x = 20,570.13

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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.