Home / 28,248.59-42,386.65-11,613.62

Finding the Fourth Proportional to 28,248.59, 42,386.65 and 11,613.62

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Solution

The fourth proportional to 28,248.59, 42,386.65 and 11,613.62 is: 17,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.59 : 42,386.65 = 11,613.62 : x
  2. Step 2: Convert to fraction form
    28,248.59/42,386.65 = 11,613.62/x
  3. Step 3: Cross multiply
    28,248.59x = 42,386.65 × 11,613.62
  4. Step 4: Simplify right side
    28,248.59x = 492,262,205.21
  5. Step 5: Solve for x
    x = 492,262,205.21/28,248.59
  6. Step 6: Final answer
    x = 17,426.08

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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.