Home / 28,224.51-42,342.45-9,503.79

Finding the Fourth Proportional to 28,224.51, 42,342.45 and 9,503.79

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Solution

The fourth proportional to 28,224.51, 42,342.45 and 9,503.79 is: 14,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.51 : 42,342.45 = 9,503.79 : x
  2. Step 2: Convert to fraction form
    28,224.51/42,342.45 = 9,503.79/x
  3. Step 3: Cross multiply
    28,224.51x = 42,342.45 × 9,503.79
  4. Step 4: Simplify right side
    28,224.51x = 402,413,752.89
  5. Step 5: Solve for x
    x = 402,413,752.89/28,224.51
  6. Step 6: Final answer
    x = 14,257.60

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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.