Home / 43,316.76-59,787-28,182.72

Finding the Fourth Proportional to 43,316.76, 59,787 and 28,182.72

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Solution

The fourth proportional to 43,316.76, 59,787 and 28,182.72 is: 38,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.76 : 59,787 = 28,182.72 : x
  2. Step 2: Convert to fraction form
    43,316.76/59,787 = 28,182.72/x
  3. Step 3: Cross multiply
    43,316.76x = 59,787 × 28,182.72
  4. Step 4: Simplify right side
    43,316.76x = 1,684,960,280.64
  5. Step 5: Solve for x
    x = 1,684,960,280.64/43,316.76
  6. Step 6: Final answer
    x = 38,898.58

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Double scale
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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.