Home / 28,555.51-39,368.85-23,432.26

Finding the Fourth Proportional to 28,555.51, 39,368.85 and 23,432.26

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Solution

The fourth proportional to 28,555.51, 39,368.85 and 23,432.26 is: 32,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.51 : 39,368.85 = 23,432.26 : x
  2. Step 2: Convert to fraction form
    28,555.51/39,368.85 = 23,432.26/x
  3. Step 3: Cross multiply
    28,555.51x = 39,368.85 × 23,432.26
  4. Step 4: Simplify right side
    28,555.51x = 922,501,129.10
  5. Step 5: Solve for x
    x = 922,501,129.10/28,555.51
  6. Step 6: Final answer
    x = 32,305.54

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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.