Home / 28,105.48-42,164.30-14,955.92

Finding the Fourth Proportional to 28,105.48, 42,164.30 and 14,955.92

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Solution

The fourth proportional to 28,105.48, 42,164.30 and 14,955.92 is: 22,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,105.48 : 42,164.30 = 14,955.92 : x
  2. Step 2: Convert to fraction form
    28,105.48/42,164.30 = 14,955.92/x
  3. Step 3: Cross multiply
    28,105.48x = 42,164.30 × 14,955.92
  4. Step 4: Simplify right side
    28,105.48x = 630,605,897.66
  5. Step 5: Solve for x
    x = 630,605,897.66/28,105.48
  6. Step 6: Final answer
    x = 22,437.12

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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.