Home / 28,430.52-39,230.01-16,165.50

Finding the Fourth Proportional to 28,430.52, 39,230.01 and 16,165.50

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Solution

The fourth proportional to 28,430.52, 39,230.01 and 16,165.50 is: 22,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430.52 : 39,230.01 = 16,165.50 : x
  2. Step 2: Convert to fraction form
    28,430.52/39,230.01 = 16,165.50/x
  3. Step 3: Cross multiply
    28,430.52x = 39,230.01 × 16,165.50
  4. Step 4: Simplify right side
    28,430.52x = 634,172,726.66
  5. Step 5: Solve for x
    x = 634,172,726.66/28,430.52
  6. Step 6: Final answer
    x = 22,306.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.