Home / 25,176.81-37,739.30-13,486.89

Finding the Fourth Proportional to 25,176.81, 37,739.30 and 13,486.89

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Solution

The fourth proportional to 25,176.81, 37,739.30 and 13,486.89 is: 20,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.81 : 37,739.30 = 13,486.89 : x
  2. Step 2: Convert to fraction form
    25,176.81/37,739.30 = 13,486.89/x
  3. Step 3: Cross multiply
    25,176.81x = 37,739.30 × 13,486.89
  4. Step 4: Simplify right side
    25,176.81x = 508,985,720.34
  5. Step 5: Solve for x
    x = 508,985,720.34/25,176.81
  6. Step 6: Final answer
    x = 20,216.45

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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.