Home / 28,248.41-42,327.63-14,920.90

Finding the Fourth Proportional to 28,248.41, 42,327.63 and 14,920.90

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Solution

The fourth proportional to 28,248.41, 42,327.63 and 14,920.90 is: 22,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.41 : 42,327.63 = 14,920.90 : x
  2. Step 2: Convert to fraction form
    28,248.41/42,327.63 = 14,920.90/x
  3. Step 3: Cross multiply
    28,248.41x = 42,327.63 × 14,920.90
  4. Step 4: Simplify right side
    28,248.41x = 631,566,228.65
  5. Step 5: Solve for x
    x = 631,566,228.65/28,248.41
  6. Step 6: Final answer
    x = 22,357.58

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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.