Home / 55,225.28-82,840.64-15,788.16

Finding the Fourth Proportional to 55,225.28, 82,840.64 and 15,788.16

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Solution

The fourth proportional to 55,225.28, 82,840.64 and 15,788.16 is: 23,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225.28 : 82,840.64 = 15,788.16 : x
  2. Step 2: Convert to fraction form
    55,225.28/82,840.64 = 15,788.16/x
  3. Step 3: Cross multiply
    55,225.28x = 82,840.64 × 15,788.16
  4. Step 4: Simplify right side
    55,225.28x = 1,307,901,278.82
  5. Step 5: Solve for x
    x = 1,307,901,278.82/55,225.28
  6. Step 6: Final answer
    x = 23,683.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.