Home / 28,103.13-42,142.34-14,952.37

Finding the Fourth Proportional to 28,103.13, 42,142.34 and 14,952.37

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Solution

The fourth proportional to 28,103.13, 42,142.34 and 14,952.37 is: 22,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,103.13 : 42,142.34 = 14,952.37 : x
  2. Step 2: Convert to fraction form
    28,103.13/42,142.34 = 14,952.37/x
  3. Step 3: Cross multiply
    28,103.13x = 42,142.34 × 14,952.37
  4. Step 4: Simplify right side
    28,103.13x = 630,127,860.35
  5. Step 5: Solve for x
    x = 630,127,860.35/28,103.13
  6. Step 6: Final answer
    x = 22,421.98

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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.