Home / 28,437.10-42,655.65-15,271.36

Finding the Fourth Proportional to 28,437.10, 42,655.65 and 15,271.36

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Solution

The fourth proportional to 28,437.10, 42,655.65 and 15,271.36 is: 22,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.10 : 42,655.65 = 15,271.36 : x
  2. Step 2: Convert to fraction form
    28,437.10/42,655.65 = 15,271.36/x
  3. Step 3: Cross multiply
    28,437.10x = 42,655.65 × 15,271.36
  4. Step 4: Simplify right side
    28,437.10x = 651,409,710.83
  5. Step 5: Solve for x
    x = 651,409,710.83/28,437.10
  6. Step 6: Final answer
    x = 22,907.04

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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.