Home / 19,125.90-28,710.45-14,762.70

Finding the Fourth Proportional to 19,125.90, 28,710.45 and 14,762.70

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Solution

The fourth proportional to 19,125.90, 28,710.45 and 14,762.70 is: 22,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.90 : 28,710.45 = 14,762.70 : x
  2. Step 2: Convert to fraction form
    19,125.90/28,710.45 = 14,762.70/x
  3. Step 3: Cross multiply
    19,125.90x = 28,710.45 × 14,762.70
  4. Step 4: Simplify right side
    19,125.90x = 423,843,760.22
  5. Step 5: Solve for x
    x = 423,843,760.22/19,125.90
  6. Step 6: Final answer
    x = 22,160.72

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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.