Home / 28,631.42-39,510.44-16,695.26

Finding the Fourth Proportional to 28,631.42, 39,510.44 and 16,695.26

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Solution

The fourth proportional to 28,631.42, 39,510.44 and 16,695.26 is: 23,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.42 : 39,510.44 = 16,695.26 : x
  2. Step 2: Convert to fraction form
    28,631.42/39,510.44 = 16,695.26/x
  3. Step 3: Cross multiply
    28,631.42x = 39,510.44 × 16,695.26
  4. Step 4: Simplify right side
    28,631.42x = 659,637,068.51
  5. Step 5: Solve for x
    x = 659,637,068.51/28,631.42
  6. Step 6: Final answer
    x = 23,038.92

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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.