Home / 28,345.41-39,116.59-15,598.85

Finding the Fourth Proportional to 28,345.41, 39,116.59 and 15,598.85

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Solution

The fourth proportional to 28,345.41, 39,116.59 and 15,598.85 is: 21,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.41 : 39,116.59 = 15,598.85 : x
  2. Step 2: Convert to fraction form
    28,345.41/39,116.59 = 15,598.85/x
  3. Step 3: Cross multiply
    28,345.41x = 39,116.59 × 15,598.85
  4. Step 4: Simplify right side
    28,345.41x = 610,173,585.34
  5. Step 5: Solve for x
    x = 610,173,585.34/28,345.41
  6. Step 6: Final answer
    x = 21,526.36

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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.