Home / 25,320.60-37,935-12,154.32

Finding the Fourth Proportional to 25,320.60, 37,935 and 12,154.32

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Solution

The fourth proportional to 25,320.60, 37,935 and 12,154.32 is: 18,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.60 : 37,935 = 12,154.32 : x
  2. Step 2: Convert to fraction form
    25,320.60/37,935 = 12,154.32/x
  3. Step 3: Cross multiply
    25,320.60x = 37,935 × 12,154.32
  4. Step 4: Simplify right side
    25,320.60x = 461,074,129.20
  5. Step 5: Solve for x
    x = 461,074,129.20/25,320.60
  6. Step 6: Final answer
    x = 18,209.45

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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.