Home / 28,437.23-42,663.40-9,717.23

Finding the Fourth Proportional to 28,437.23, 42,663.40 and 9,717.23

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Solution

The fourth proportional to 28,437.23, 42,663.40 and 9,717.23 is: 14,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.23 : 42,663.40 = 9,717.23 : x
  2. Step 2: Convert to fraction form
    28,437.23/42,663.40 = 9,717.23/x
  3. Step 3: Cross multiply
    28,437.23x = 42,663.40 × 9,717.23
  4. Step 4: Simplify right side
    28,437.23x = 414,570,070.38
  5. Step 5: Solve for x
    x = 414,570,070.38/28,437.23
  6. Step 6: Final answer
    x = 14,578.43

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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.