Home / 52,316.64-78,466.32-15,372

Finding the Fourth Proportional to 52,316.64, 78,466.32 and 15,372

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Solution

The fourth proportional to 52,316.64, 78,466.32 and 15,372 is: 23,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,316.64 : 78,466.32 = 15,372 : x
  2. Step 2: Convert to fraction form
    52,316.64/78,466.32 = 15,372/x
  3. Step 3: Cross multiply
    52,316.64x = 78,466.32 × 15,372
  4. Step 4: Simplify right side
    52,316.64x = 1,206,184,271.04
  5. Step 5: Solve for x
    x = 1,206,184,271.04/52,316.64
  6. Step 6: Final answer
    x = 23,055.46

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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.