Home / 25,555.07-35,271.24-14,947.31

Finding the Fourth Proportional to 25,555.07, 35,271.24 and 14,947.31

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Solution

The fourth proportional to 25,555.07, 35,271.24 and 14,947.31 is: 20,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.07 : 35,271.24 = 14,947.31 : x
  2. Step 2: Convert to fraction form
    25,555.07/35,271.24 = 14,947.31/x
  3. Step 3: Cross multiply
    25,555.07x = 35,271.24 × 14,947.31
  4. Step 4: Simplify right side
    25,555.07x = 527,210,158.36
  5. Step 5: Solve for x
    x = 527,210,158.36/25,555.07
  6. Step 6: Final answer
    x = 20,630.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.