Home / 28,248.08-42,326.04-14,378

Finding the Fourth Proportional to 28,248.08, 42,326.04 and 14,378

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Solution

The fourth proportional to 28,248.08, 42,326.04 and 14,378 is: 21,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.08 : 42,326.04 = 14,378 : x
  2. Step 2: Convert to fraction form
    28,248.08/42,326.04 = 14,378/x
  3. Step 3: Cross multiply
    28,248.08x = 42,326.04 × 14,378
  4. Step 4: Simplify right side
    28,248.08x = 608,563,803.12
  5. Step 5: Solve for x
    x = 608,563,803.12/28,248.08
  6. Step 6: Final answer
    x = 21,543.55

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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.