Home / 28,068.47-38,731.73-15,492.41

Finding the Fourth Proportional to 28,068.47, 38,731.73 and 15,492.41

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Solution

The fourth proportional to 28,068.47, 38,731.73 and 15,492.41 is: 21,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.47 : 38,731.73 = 15,492.41 : x
  2. Step 2: Convert to fraction form
    28,068.47/38,731.73 = 15,492.41/x
  3. Step 3: Cross multiply
    28,068.47x = 38,731.73 × 15,492.41
  4. Step 4: Simplify right side
    28,068.47x = 600,047,570.05
  5. Step 5: Solve for x
    x = 600,047,570.05/28,068.47
  6. Step 6: Final answer
    x = 21,378.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.