Home / 25,354.72-38,011.54-10,574.68

Finding the Fourth Proportional to 25,354.72, 38,011.54 and 10,574.68

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Solution

The fourth proportional to 25,354.72, 38,011.54 and 10,574.68 is: 15,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,354.72 : 38,011.54 = 10,574.68 : x
  2. Step 2: Convert to fraction form
    25,354.72/38,011.54 = 10,574.68/x
  3. Step 3: Cross multiply
    25,354.72x = 38,011.54 × 10,574.68
  4. Step 4: Simplify right side
    25,354.72x = 401,959,871.81
  5. Step 5: Solve for x
    x = 401,959,871.81/25,354.72
  6. Step 6: Final answer
    x = 15,853.45

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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.