Home / 28,465.74-42,641.49-26,140.53

Finding the Fourth Proportional to 28,465.74, 42,641.49 and 26,140.53

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Solution

The fourth proportional to 28,465.74, 42,641.49 and 26,140.53 is: 39,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.74 : 42,641.49 = 26,140.53 : x
  2. Step 2: Convert to fraction form
    28,465.74/42,641.49 = 26,140.53/x
  3. Step 3: Cross multiply
    28,465.74x = 42,641.49 × 26,140.53
  4. Step 4: Simplify right side
    28,465.74x = 1,114,671,148.59
  5. Step 5: Solve for x
    x = 1,114,671,148.59/28,465.74
  6. Step 6: Final answer
    x = 39,158.34

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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.