Home / 26,430.72-39,652.16-15,346.68

Finding the Fourth Proportional to 26,430.72, 39,652.16 and 15,346.68

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Solution

The fourth proportional to 26,430.72, 39,652.16 and 15,346.68 is: 23,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.72 : 39,652.16 = 15,346.68 : x
  2. Step 2: Convert to fraction form
    26,430.72/39,652.16 = 15,346.68/x
  3. Step 3: Cross multiply
    26,430.72x = 39,652.16 × 15,346.68
  4. Step 4: Simplify right side
    26,430.72x = 608,528,934.10
  5. Step 5: Solve for x
    x = 608,528,934.10/26,430.72
  6. Step 6: Final answer
    x = 23,023.55

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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.