Home / 28,462.28-42,693.35-15,820.07

Finding the Fourth Proportional to 28,462.28, 42,693.35 and 15,820.07

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Solution

The fourth proportional to 28,462.28, 42,693.35 and 15,820.07 is: 23,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.28 : 42,693.35 = 15,820.07 : x
  2. Step 2: Convert to fraction form
    28,462.28/42,693.35 = 15,820.07/x
  3. Step 3: Cross multiply
    28,462.28x = 42,693.35 × 15,820.07
  4. Step 4: Simplify right side
    28,462.28x = 675,411,492.97
  5. Step 5: Solve for x
    x = 675,411,492.97/28,462.28
  6. Step 6: Final answer
    x = 23,730.06

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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.