Home / 28,785.55-43,225.22-17,762.31

Finding the Fourth Proportional to 28,785.55, 43,225.22 and 17,762.31

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Solution

The fourth proportional to 28,785.55, 43,225.22 and 17,762.31 is: 26,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.55 : 43,225.22 = 17,762.31 : x
  2. Step 2: Convert to fraction form
    28,785.55/43,225.22 = 17,762.31/x
  3. Step 3: Cross multiply
    28,785.55x = 43,225.22 × 17,762.31
  4. Step 4: Simplify right side
    28,785.55x = 767,779,873.48
  5. Step 5: Solve for x
    x = 767,779,873.48/28,785.55
  6. Step 6: Final answer
    x = 26,672.40

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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.