Home / 28,314.87-42,492.63-10,547.97

Finding the Fourth Proportional to 28,314.87, 42,492.63 and 10,547.97

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Solution

The fourth proportional to 28,314.87, 42,492.63 and 10,547.97 is: 15,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314.87 : 42,492.63 = 10,547.97 : x
  2. Step 2: Convert to fraction form
    28,314.87/42,492.63 = 10,547.97/x
  3. Step 3: Cross multiply
    28,314.87x = 42,492.63 × 10,547.97
  4. Step 4: Simplify right side
    28,314.87x = 448,210,986.46
  5. Step 5: Solve for x
    x = 448,210,986.46/28,314.87
  6. Step 6: Final answer
    x = 15,829.53

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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.