Home / 25,689.76-38,280.65-23,073.40

Finding the Fourth Proportional to 25,689.76, 38,280.65 and 23,073.40

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Solution

The fourth proportional to 25,689.76, 38,280.65 and 23,073.40 is: 34,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.76 : 38,280.65 = 23,073.40 : x
  2. Step 2: Convert to fraction form
    25,689.76/38,280.65 = 23,073.40/x
  3. Step 3: Cross multiply
    25,689.76x = 38,280.65 × 23,073.40
  4. Step 4: Simplify right side
    25,689.76x = 883,264,749.71
  5. Step 5: Solve for x
    x = 883,264,749.71/25,689.76
  6. Step 6: Final answer
    x = 34,381.98

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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.