Home / 25,916.81-35,752.08-15,154.64

Finding the Fourth Proportional to 25,916.81, 35,752.08 and 15,154.64

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Solution

The fourth proportional to 25,916.81, 35,752.08 and 15,154.64 is: 20,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,916.81 : 35,752.08 = 15,154.64 : x
  2. Step 2: Convert to fraction form
    25,916.81/35,752.08 = 15,154.64/x
  3. Step 3: Cross multiply
    25,916.81x = 35,752.08 × 15,154.64
  4. Step 4: Simplify right side
    25,916.81x = 541,810,114.90
  5. Step 5: Solve for x
    x = 541,810,114.90/25,916.81
  6. Step 6: Final answer
    x = 20,905.74

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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.