Home / 28,248.48-42,374.52-9,530.40

Finding the Fourth Proportional to 28,248.48, 42,374.52 and 9,530.40

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Solution

The fourth proportional to 28,248.48, 42,374.52 and 9,530.40 is: 14,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.48 : 42,374.52 = 9,530.40 : x
  2. Step 2: Convert to fraction form
    28,248.48/42,374.52 = 9,530.40/x
  3. Step 3: Cross multiply
    28,248.48x = 42,374.52 × 9,530.40
  4. Step 4: Simplify right side
    28,248.48x = 403,846,125.41
  5. Step 5: Solve for x
    x = 403,846,125.41/28,248.48
  6. Step 6: Final answer
    x = 14,296.21

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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.