Home / 42,869.25-64,313.60-15,167.25

Finding the Fourth Proportional to 42,869.25, 64,313.60 and 15,167.25

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Solution

The fourth proportional to 42,869.25, 64,313.60 and 15,167.25 is: 22,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.25 : 64,313.60 = 15,167.25 : x
  2. Step 2: Convert to fraction form
    42,869.25/64,313.60 = 15,167.25/x
  3. Step 3: Cross multiply
    42,869.25x = 64,313.60 × 15,167.25
  4. Step 4: Simplify right side
    42,869.25x = 975,460,373.76
  5. Step 5: Solve for x
    x = 975,460,373.76/42,869.25
  6. Step 6: Final answer
    x = 22,754.31

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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.