Home / 35,877.84-53,817.72-13,688.40

Finding the Fourth Proportional to 35,877.84, 53,817.72 and 13,688.40

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Solution

The fourth proportional to 35,877.84, 53,817.72 and 13,688.40 is: 20,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,877.84 : 53,817.72 = 13,688.40 : x
  2. Step 2: Convert to fraction form
    35,877.84/53,817.72 = 13,688.40/x
  3. Step 3: Cross multiply
    35,877.84x = 53,817.72 × 13,688.40
  4. Step 4: Simplify right side
    35,877.84x = 736,678,478.45
  5. Step 5: Solve for x
    x = 736,678,478.45/35,877.84
  6. Step 6: Final answer
    x = 20,532.97

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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.