Home / 28,157.68-42,152.37-17,030.71

Finding the Fourth Proportional to 28,157.68, 42,152.37 and 17,030.71

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Solution

The fourth proportional to 28,157.68, 42,152.37 and 17,030.71 is: 25,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157.68 : 42,152.37 = 17,030.71 : x
  2. Step 2: Convert to fraction form
    28,157.68/42,152.37 = 17,030.71/x
  3. Step 3: Cross multiply
    28,157.68x = 42,152.37 × 17,030.71
  4. Step 4: Simplify right side
    28,157.68x = 717,884,789.28
  5. Step 5: Solve for x
    x = 717,884,789.28/28,157.68
  6. Step 6: Final answer
    x = 25,495.17

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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.