Home / 25,282.10-37,864.01-19,981.53

Finding the Fourth Proportional to 25,282.10, 37,864.01 and 19,981.53

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Solution

The fourth proportional to 25,282.10, 37,864.01 and 19,981.53 is: 29,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.10 : 37,864.01 = 19,981.53 : x
  2. Step 2: Convert to fraction form
    25,282.10/37,864.01 = 19,981.53/x
  3. Step 3: Cross multiply
    25,282.10x = 37,864.01 × 19,981.53
  4. Step 4: Simplify right side
    25,282.10x = 756,580,901.69
  5. Step 5: Solve for x
    x = 756,580,901.69/25,282.10
  6. Step 6: Final answer
    x = 29,925.55

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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.