Home / 19,038.15-28,420.96-16,547.71

Finding the Fourth Proportional to 19,038.15, 28,420.96 and 16,547.71

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Solution

The fourth proportional to 19,038.15, 28,420.96 and 16,547.71 is: 24,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.15 : 28,420.96 = 16,547.71 : x
  2. Step 2: Convert to fraction form
    19,038.15/28,420.96 = 16,547.71/x
  3. Step 3: Cross multiply
    19,038.15x = 28,420.96 × 16,547.71
  4. Step 4: Simplify right side
    19,038.15x = 470,301,804.00
  5. Step 5: Solve for x
    x = 470,301,804.00/19,038.15
  6. Step 6: Final answer
    x = 24,703.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.