Home / 28,256.59-42,384.57-6,909.51

Finding the Fourth Proportional to 28,256.59, 42,384.57 and 6,909.51

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Solution

The fourth proportional to 28,256.59, 42,384.57 and 6,909.51 is: 10,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.59 : 42,384.57 = 6,909.51 : x
  2. Step 2: Convert to fraction form
    28,256.59/42,384.57 = 6,909.51/x
  3. Step 3: Cross multiply
    28,256.59x = 42,384.57 × 6,909.51
  4. Step 4: Simplify right side
    28,256.59x = 292,856,610.26
  5. Step 5: Solve for x
    x = 292,856,610.26/28,256.59
  6. Step 6: Final answer
    x = 10,364.19

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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.