Home / 28,665.18-42,886.53-25,128.59

Finding the Fourth Proportional to 28,665.18, 42,886.53 and 25,128.59

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Solution

The fourth proportional to 28,665.18, 42,886.53 and 25,128.59 is: 37,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665.18 : 42,886.53 = 25,128.59 : x
  2. Step 2: Convert to fraction form
    28,665.18/42,886.53 = 25,128.59/x
  3. Step 3: Cross multiply
    28,665.18x = 42,886.53 × 25,128.59
  4. Step 4: Simplify right side
    28,665.18x = 1,077,677,814.46
  5. Step 5: Solve for x
    x = 1,077,677,814.46/28,665.18
  6. Step 6: Final answer
    x = 37,595.36

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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.