Home / 28,875.04-43,060.45-25,689.31

Finding the Fourth Proportional to 28,875.04, 43,060.45 and 25,689.31

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Solution

The fourth proportional to 28,875.04, 43,060.45 and 25,689.31 is: 38,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.04 : 43,060.45 = 25,689.31 : x
  2. Step 2: Convert to fraction form
    28,875.04/43,060.45 = 25,689.31/x
  3. Step 3: Cross multiply
    28,875.04x = 43,060.45 × 25,689.31
  4. Step 4: Simplify right side
    28,875.04x = 1,106,193,248.79
  5. Step 5: Solve for x
    x = 1,106,193,248.79/28,875.04
  6. Step 6: Final answer
    x = 38,309.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.