Home / 28,903.48-43,309.86-17,210.32

Finding the Fourth Proportional to 28,903.48, 43,309.86 and 17,210.32

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Solution

The fourth proportional to 28,903.48, 43,309.86 and 17,210.32 is: 25,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.48 : 43,309.86 = 17,210.32 : x
  2. Step 2: Convert to fraction form
    28,903.48/43,309.86 = 17,210.32/x
  3. Step 3: Cross multiply
    28,903.48x = 43,309.86 × 17,210.32
  4. Step 4: Simplify right side
    28,903.48x = 745,376,549.76
  5. Step 5: Solve for x
    x = 745,376,549.76/28,903.48
  6. Step 6: Final answer
    x = 25,788.47

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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.