Home / 28,683.47-39,594.48-18,071.12

Finding the Fourth Proportional to 28,683.47, 39,594.48 and 18,071.12

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Solution

The fourth proportional to 28,683.47, 39,594.48 and 18,071.12 is: 24,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.47 : 39,594.48 = 18,071.12 : x
  2. Step 2: Convert to fraction form
    28,683.47/39,594.48 = 18,071.12/x
  3. Step 3: Cross multiply
    28,683.47x = 39,594.48 × 18,071.12
  4. Step 4: Simplify right side
    28,683.47x = 715,516,599.42
  5. Step 5: Solve for x
    x = 715,516,599.42/28,683.47
  6. Step 6: Final answer
    x = 24,945.26

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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.