Home / 15,429.60-23,176.80-14,878.80

Finding the Fourth Proportional to 15,429.60, 23,176.80 and 14,878.80

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Solution

The fourth proportional to 15,429.60, 23,176.80 and 14,878.80 is: 22,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.60 : 23,176.80 = 14,878.80 : x
  2. Step 2: Convert to fraction form
    15,429.60/23,176.80 = 14,878.80/x
  3. Step 3: Cross multiply
    15,429.60x = 23,176.80 × 14,878.80
  4. Step 4: Simplify right side
    15,429.60x = 344,842,971.84
  5. Step 5: Solve for x
    x = 344,842,971.84/15,429.60
  6. Step 6: Final answer
    x = 22,349.44

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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.