Home / 19,030.26-28,547.08-4,990.25

Finding the Fourth Proportional to 19,030.26, 28,547.08 and 4,990.25

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Solution

The fourth proportional to 19,030.26, 28,547.08 and 4,990.25 is: 7,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.26 : 28,547.08 = 4,990.25 : x
  2. Step 2: Convert to fraction form
    19,030.26/28,547.08 = 4,990.25/x
  3. Step 3: Cross multiply
    19,030.26x = 28,547.08 × 4,990.25
  4. Step 4: Simplify right side
    19,030.26x = 142,457,065.97
  5. Step 5: Solve for x
    x = 142,457,065.97/19,030.26
  6. Step 6: Final answer
    x = 7,485.82

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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.